Movatterモバイル変換

The pathogen-prevalence hypothesis postulates that collectivism would be strengthened in the long term in tandem with recurrent attacks of infectious diseases. However, it is unclear whether a one-time pathogen epidemic would elevate collectivism. The outbreak of COVID-19 and the widespread prevalence of online social networks have provided researchers an opportunity to explore this issue. This study sampled and analyzed the posts of 126,165 active users on Weibo, a leading Chinese online social network. It used independent-sample t-tests to examine whether COVID-19 (...) had an impact on Chinese collectivistic value-related behaviors by comparing the usage frequency of personal pronouns, group-related words, and relationship-related words before and after the outbreak. Overall, most collectivist words exhibited a significant upward trend after the outbreak. In turn, this tendency pointed to a rising sense of collectivism. Hence, this study confirmed the pathogen-prevalence hypothesis in real settings, finding that an outbreak of an infectious disease such as COVID-19 could exert an impact on collectivism and may deliver a theoretical basis for psychological protection against the threat of COVID-19. However, further evaluation is required to ascertain whether this trend is universal or culture-specific. (shrink)

Direct download(2 more)   Export citation   Bookmark   1 citation  

Since the Club of Rome published "Limits to Growth" in 1972, the environmental problems have caused the attention of people around the world and become a global issue. The international community has also organized special meetings to promote the study of environmental issues. One of the most important meetings is the United Nations Conference on Environment and Development, held every year since 1972. The most important issue is on how to deal with climate change, which has become an international mainstream (...) issue. From the perspective of the environmental justice, the following is a brief analysis of the negotiations on international climate changes, based on the opportunities of the 2009 Copenhagen Summit, the 2010 Cancun Summit and the 2011 South Africa Bender Climate Summit. (shrink)

No categories

Direct download   Export citation   Bookmark  

Export citation   Bookmark  

No categories

Direct download(3 more)   Export citation   Bookmark  

Philosophy, including moral philosophy, is the distillation of the spirit of an era. As society and science develop, sooner or later a given philosophy will gradually change form so that the resulting metamorphosis will better meet the needs of the society at that time. Traditional Chinese ethical thought is an outcome of the Chinese closed natural economy and ancient low-level science and is suitable for traditional Chinese medicine. Its superstable structure and character, which have evolved over more than 2,000 years, (...) are rooted deeply in the minds of the Chinese people; hence, it is difficult for them to accept new bioethical views and to adapt to the developments of modern medicine and the changes in society. In China, owing to the strongly rooted values of the old tradition, the consequences of modern medicine have produced an alienating phenomenon that deviates from the goals of modern medicine and leads to conflicts between ethics and science, between old medical ethics and new medical ethics. (shrink)

Direct download(6 more)   Export citation   Bookmark   1 citation  

We propose that human social learning is subject to a trade-off between the cost of performing a computation and the flexibility of its outputs. Viewing social learning through this lens sheds light on cases that seem to violate bifocal stance theory (BST) – such as high-fidelity imitation in instrumental action – and provides a mechanism by which causal insight can be bootstrapped from imitation of cultural practices.

Direct download(2 more)   Export citation   Bookmark  

Background:Policemen all over the world are tasked with the heavy work of maintaining social security. With the imbalance in mentality brought about by high population density and social transformation, the work of the Chinese police is particularly hard. As the window of demographic dividend is closing and the number of newborns is insufficient, China has started to adjust its established fertility policy to encourage a family to have two children. However, the results have not met the expectations of the policy (...) adjustment. It is generally believed that factors such as high work pressure, high parenting costs, and low levels of happiness may be the main reasons for low fertility intentions. Studying this typical population of police officers may explore the relationship between work stress, happiness, and reproductive concerns, and provide evidence of Chinese sample.Objectives:To explore the relations between job burnout, subjective well-being, and generativity concern in Chinese police officers.Methods:The study used a cross-sectional survey to collect data from 494 police officers from H city in China. The participants completed the Maslach Burnout Inventory (MBI), the Family Adaptability and Cohesion Scale (FACESII), the Loyola Generativity Scale (LGS), and the Satisfaction with life scale (SWLS). Moderated mediation effect models assessed the association between job burnout, subjective well-being, and generativity concern.Results:Job burnout had a significant negative predictive effect on both subjective well-being and generativity concern, and subjective well-being played a mediating role between job burnout and generativity concern. In addition, family intimacy and adaptability had a significant negative moderating effect between subjective well-being and generativity concern. In a conclusion, there is a moderated mediating effect between job burnout and generativity concern.Conclusion:Subjective well-being played a mediating role between job burnout and generativity concern. (shrink)

Direct download(2 more)   Export citation   Bookmark   1 citation  

Among the four reading-levels, the textual and exegetical levels of Zhuangzi ’s Hundun-story are problem-free, and so we focus expository-wise on its conspicuous hospitality with nine implications. Then, hermeneutically, we see Hundun instructing us against clarity toward unclarity—cosmological, self-composing, cognitive, and communal—of kindly humus, in cosmic confusion, sleep and idleness, mist and pond-dragonfly, and non-ruling people-sovereignty. Pan-hospitality is our Emperor Hundun’s non-arbitrary imperative to nurture life.

Direct download(2 more)   Export citation   Bookmark   4 citations  

This article examines the interlinked impacts of gender and race on occupational prestige, segregation, and earnings. Included are occupations about which Bose and Rossi reported prestige ranks and about which the 1980 census reported earnings and relevant gender/race breakdowns. White men are used as the comparison group. Contrasted to them are the gender/race groups of white women, Black men, Black women, Asian-American men, Asian-American women, Hispanic men, and Hispanic women. Race has a more powerful impact than gender on the prestige (...) level a worker is likely to enjoy, but gender does affect prestige within particular racial groups. For segregation and earnings, the strongest effects are those of gender, although there are clear race effects too. Segregation examined in terms of the prestige of occupations in which different groups find themselves shows race and gender effects. Many researchers have pointed to the need for considering both gender and race in examining the American occupational structure. Our findings strongly support that call. (shrink)

No categories

Direct download   Export citation   Bookmark   4 citations  

No categories

Direct download(2 more)   Export citation   Bookmark   1 citation  

Although fear and anxiety have gradually become a shared experience in the time of COVID-19, few studies have examined its content from historical, cultural, and phenomenological perspectives concerning the self-awareness and alterity. We discuss the development of the ubiquitous nature of Taijin-kyōfushō (TKS), a subtype of social anxiety disorder (SAD) originated and considered culturally-bound in the 1930s Japan involving fear of offending or displeasing other people. Considering the historical processes of disease classification, advances in cognitive neurosciences, and the need to (...) better understand the content of suffering, psychiatric nosology for SAD still appears controversial and requires further investigations. (shrink)

Direct download(3 more)   Export citation   Bookmark   1 citation  

Minimizers are widely acknowledged cross-linguistically to denote a minimal quantity, extent or degree. With respect to minimizers in Mandarin Chinese, Shyu claims that their so-called negative polarity is purely syntactically determined and is facilitated by the lian…dou EVEN construction. Within the framework of Dynamic Syntax which allows for interaction between syntactic, semantic and pragmatic information, we demonstrate that the total negation is actually derived from the interaction between syntax, semantics and pragmatics, rather than being determined by purely syntactic means.

Direct download(3 more)   Export citation   Bookmark  

Poverty alleviation through tourism is an important way for China to achieve targeted poverty alleviation and win the battle of poverty alleviation. As a region with deep poverty and great difficulty in poverty alleviation, whether tourism development has injected key impetus into ethnic minority areas needs to be tested by both qualitative analysis and quantitative measurement. This paper takes eight ethnic provinces in China as an example to conduct an empirical study. Based on the Data Envelopment Analysis -BCC model and (...) Malmquist index, it evaluates the tourism investment and tourism poverty alleviation efficiency of the ethnic regions in the two stages of tourism poverty alleviation, and analyzes them by classification. The results of the study show: The pure technical efficiency in the first stage is relatively high, but the total factor productivity of each region is declining; The pure technical efficiency in the second stage is also relatively high, but the scale efficiency is low, and the change rate of total factor productivity of the provinces in China has increased significantly; The “double high” type includes Guangxi, Inner Mongolia, and Guizhou, and the “double low” type includes Qinghai, Yunnan, Tibet, Xinjiang, and Ningxia. The results of the study generally show that tourism poverty alleviation has brought about the improvement of the living standards of residents and the development of local economy, but the efficiency of tourism poverty alleviation needs to be improved. On this basis, the article puts forward corresponding improvement measures, in order to further help the ethnic minority areas get rid of poverty in a comprehensive way by promoting the efficient and sustainable development of tourism. (shrink)

Direct download(2 more)   Export citation   Bookmark  

Project citizenship behavior has an important positive impact on project success. Researching how to promote PCB is an important issue in project management. Based on social learning theory and social cognitive theory, this paper adopted the method of questionnaire survey and hierarchical linear model to analyze the collected data derived from the sample of Chinese construction enterprises and verified this hypothesis. The results show that responsible leadership has a significant positive effect on PCB, moral identity mediates this relationship, and collective (...) moral sensitivity positively moderates this mediating effect. The findings of the study systematically and deeply reveal the intrinsic mechanism of the cross-level influence of responsible leadership on PCB, and provide new enlightenment for the practice of project management. (shrink)

Direct download(2 more)   Export citation   Bookmark  

In recent years, there are many reasons for the frequent safety accidents in the construction field. The most controversial and typical one that firmly correlated with China’s national condition is the low-price bid winning and the general subcontracting management, which probably have a great impact on the unsafe behavior intention of workers on the construction site. In order to figure out their internal relation, a quantitative statistical analysis of the unsafe behavior intentions of construction workers in the Beijing area was (...) conducted through the on-site questionnaire considering three main variables, namely, general subcontract management, reasonable low-cost bid winning, and construction experiences. Meanwhile, the correlation, regression, and mediating effects of different influencing factors were analyzed through a regressive model to quantify the impact of each variable on the unsafe behavior intention of construction workers. The results showed that the influence of low-price bid winning on the unsafe behavior intention of on-site workers is faint. This is mainly because, in the case of labor buyer’s market, the actual salary of workers is not relevant to whether the project is awarded at a low price. However, the general subcontracting management has a great impact on the unsafe behavior intention of on-site workers. At the same time, low-price bid winning also indirectly affects the strength of general subcontracting safety management, which has an indirect impact on the unsafe behavior intention of on-site workers. Generally, it is of greater significance to enhance the strength of the general subcontracting management and to formulate relevant regulations to guarantee the safety of construction workers. (shrink)

Direct download(2 more)   Export citation   Bookmark  

No categories

Direct download(2 more)   Export citation   Bookmark   1 citation  

Lymphangiogenesis is an important developmental process that is critical to regulation of fluid homeostasis, immune surveillance and response as well as pathogenesis of a number of diseases, among them cancer, inflammation, and heart failure. Specification, formation, and maturation of lymphatic blood vessels involves an interplay between a series of events orchestrated by various transcription factors that determine expression of key genes involved in lymphangiogenesis. These are traditionally thought to be under control of several key growth factors including vascular growth factor‐C (...) (VEGF‐C) and fibroblast growth factors (FGFs). Recent insights into VEGF and FGF signaling point to their role in control of endothelial metabolic processes such as glycolysis and fatty acid oxidation that, in turn, play a major role in regulation of lymphangiogenesis. These advances have significantly increased our understanding of lymphatic biology and opened new therapeutic vistas. Here we review our current understanding of metabolic controls in the lymphatic vasculature. (shrink)

Direct download(2 more)   Export citation   Bookmark  

Export citation   Bookmark  

Micro-expressions, as fleeting facial expressions, are very important for judging people’s true emotions, thus can provide an essential behavioral clue for lie and dangerous demeanor detection. From embodied accounts of cognition, we derived a novel hypothesis that facial feedback from upper and lower facial regions has differential effects on micro-expression recognition. This hypothesis was tested and supported across three studies. Specifically, the results of Study 1 showed that people became better judges of intense micro-expressions with a duration of 450 ms (...) when the facial feedback from upper face was enhanced via a restricting gel. Additional results of Study 2 showed that the recognition accuracy of subtle micro-expressions was significantly impaired under all duration conditions (50 ms, 150 ms, 333 ms, and 450 ms) when facial feedback from lower face was enhanced. In addition, the results of Study 3 also revealed that blocking the facial feedback of lower face, significantly boosted the recognition accuracy of subtle and intense micro-expressions under all duration conditions (150 ms and 450 ms). Together, these results highlight the role of facial feedback in judging the subtle movements of micro-expressions. (shrink)

Direct download(2 more)   Export citation   Bookmark  

Air pollution has become a serious issue that affects billions of people worldwide. The relationship between air pollution and social behaviour has become one of the most widely discussed topics in the academic community. While the link between air pollution and risk-averse and unethical behaviours has been explored extensively, the relationship between air pollution and prosocial behaviour has been examined less thoroughly. Individual blood donation is a typical form of prosocial behaviour. We examined the effect of air pollution on prosocial (...) behaviour using the Poisson regression quasi-maximum likelihood based on the panel data related to air pollution and blood donations. We also employed a set of control variables and robustness checks. The findings indicate that air pollution does not affect whole blood donation, although it does affect component blood donation. We also find that the effect of air pollution on blood donation is heterogeneous in terms of gender, age, and other factors. These results show that the relationship between air pollution and prosocial behaviour is limited. Not all types of prosocial behaviour are affected by air pollution, perhaps because air pollution affects only specific psychological motivations and because different types of prosocial behaviour have different motivations. (shrink)

Direct download(2 more)   Export citation   Bookmark  

No categories

Direct download(2 more)   Export citation   Bookmark  

In order to obtain a new structure of beam flexure hinge with good performance, the flexure hinge based on the X-lattice structure is researched in this paper. The truss model in the finite element method is used to model the 6-DOF compliance of the flexure hinge based on the X-lattice structure. The influence of structural parameters on the compliance and compliance ratio of flexure hinges is analyzed based on this model, and the performance is compared with the traditional beam flexure (...) hinge of the same size. In order to design a flexure hinge based on the X-lattice structure with good comprehensive performance, this paper proposes an intelligent structure optimization method based on a genetic algorithm. The feasibility of the optimization algorithm is verified by an example. (shrink)

No categories

Direct download(2 more)   Export citation   Bookmark  

No categories

Direct download(3 more)   Export citation   Bookmark  

Enhancing teacher leadership is not only one of the approaches to improving teaching and learning, but it is also essential to the success of education reform. Based on leader-member exchange theory, 294 preschool teachers in China were surveyed, and a structural equation model was established to explore the relationship between the participating teachers' principal leadership style, teacher leadership and psychological capital. The findings revealed a significant positive correlation between transformational and transactional leadership styles and preschool teacher leadership. The laissez-faire leadership (...) style had no correlation with preschool teacher leadership. The transformational leadership style and transactional leadership style were significantly and positively correlated with psychological capital, while the laissez-faire leadership style was significantly and negatively correlated with psychological capital. The transformational leadership style can positively influence preschool teacher leadership directly and indirectly through psychological capital; and the transactional leadership style can only positively influence preschool teacher leadership indirectly through the mediating role of psychological capital. Preschool teachers' leadership can neither be directly influenced by a laissez-faire leadership style nor be indirectly influenced through the mediating role of psychological capital. (shrink)

Direct download(2 more)   Export citation   Bookmark  

Direct download   Export citation   Bookmark  

The signals in numerous complex systems of engineering can be regarded as nonlinear parameter trend with noise which is identically distributed random signals or deterministic stationary chaotic signals. The commonly used methods for parameter estimation of nonlinear trend in signals are mainly based on least squares. It can cause inaccurate estimation results when the noise is complex. This paper proposes a calibration method for this issue in the case of single parameter via nonstationarity measure from the perspective of the stationarity (...) of residual sequence. Some numerical studies are conducted for validation. Results of numerical studies show that the proposed calibration method performs well for various models with different noise strengths and types and can significantly improve the accuracy of initial estimates obtained by least squares method. This is the first time that the nonstationarity measure is applied to the parameter calibration. All these results will be a guide for future studies of other parameter calibrations. (shrink)

Direct download(2 more)   Export citation   Bookmark  

Direct download   Export citation   Bookmark  

Direct download(2 more)   Export citation   Bookmark  

We examine the role of experienced CEO in the CEO succession and their contributions to the performance of focal firms. We utilize the propensity score matching with difference in differences model to evaluate to what extent experienced CEO succession affects the total factor productivity growth. Based on the analysis of 1,675 listed manufacturing companies in China, results show that experienced CEO in succession significantly improves firms’ TFP. Our analysis demonstrates that, on average, the event of hiring an experienced CEO succession (...) yields a 3.1% increase in TFP improvement compared with nonsuccession firms. This positive effect can be continued for three years. Furthermore, the heterogeneous effect of experienced CEO succession on TFP is shown between different categories of focal firms. (shrink)

Direct download(2 more)   Export citation   Bookmark  

Lentinus edodes sticks are susceptible to mold infection during the culture process, and manual identification of infected sticks is heavy, untimely, and inaccurate. Aiming to solve this problem, this paper proposes a method for identifying infected Lentinus edodes sticks based on improved ResNeXt-50 deep transfer learning. First, a dataset of Lentinus edodes stick diseases was constructed. Second, based on the ResNeXt-50 model and the pretraining weight of the ImageNet dataset, the influence of pretraining weight parameters on recognition accuracy was studied. (...) Finally, six fine-tuning strategies of the fully connected layer were designed to modify the fully connected layer of ResNeXt-50. The experimental results show that the recognition accuracy of the method proposed in this paper can reach 94.27%, which is higher than the Vgg16, GoogLeNet, ResNet50, and MobileNet v2 models by 8.47%, 6.49%, 4.68%, and 9.38%, respectively, and the F1-score can reach 0.9422. The improved method proposed in this paper can reduce the calculation pressure and overfitting problem of the model, improve the accuracy of the model in the identification of Lentinus edodes stick mold diseases, and provide an effective solution for the selection of diseased sticks. (shrink)

Direct download(2 more)   Export citation   Bookmark  

The impact of genetic technologies is being felt in many aspects of society, including medicine and the legal system, as well as the personal lives of individuals. How do we make sure that all segments of the population are equally aware of these technologies and have ample opportunity to voice opinions and shape the future? One ongoing effort, which began ten years ago and in which we are directly involved, is the Personal Genetics Education Project, a nonprofit initiative housed within (...) and largely supported by the Department of Genetics at Harvard Medical School. The goal of pgEd is to raise public awareness and promote conversations about the benefits and implications of the genetics revolution in ways that are inclusive of all voices regardless of socioeconomic, educational, ethnic, cultural, or religious background. This essay describes our approach and experience in hopes that they will be of help to others engaged in similar efforts. (shrink)

Direct download(2 more)   Export citation   Bookmark   1 citation  

Direct download   Export citation   Bookmark  

Export citation   Bookmark  

Excerpt from Erkennen und Wissen nach Gregor von Rimini: Ein Beitrag zur Geschichte der Erkenntnistheorie des Nominalismus Krebs engelbert, Theologie und Wissenschaft nach der Lehre der Hoch scholastik (beitrage XI, 3 Munchen 1912. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the (...) aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.". (shrink)

No categories

Direct download   Export citation   Bookmark  

Direct download   Export citation   Bookmark  

Direct download(2 more)   Export citation   Bookmark  

Export citation   Bookmark  

Direct download   Export citation   Bookmark  

In this paper, the method of mutual information is used to study the economic dependence among the provinces in Chinaʼs Eastern Coastal Economic Belt from 2015 to 2020, and the core structure of the dependence is depicted. The results show that, first of all, there is a wide range of economic dependence among the provinces in the Eastern Coastal Economic Belt, and the dependence changes with the different states of economic development. Secondly, the phenomenon of geographical clustering is not obvious. (...) Most provinces maintain a strong economic dependence relationship with the economically developed provinces, and this dependence relationship is relatively stable, while the economically underdeveloped provinces are often on the edge of the dependence structure. Finally, the economically developed provinces maintain strong economic dependence with each other, such as Jiangsu, Shandong, and Zhejiang, and Beijing, Guangdong, and Shanghai. However, the former three provinces are more in the core position of this structure, that is, the other provinces maintain the stronger dependence relationship with these three provinces. (shrink)

Direct download(2 more)   Export citation   Bookmark  

Siendo poeta importante de China, Li Bai ocupa posición relevante en el terreno literario de China, e incluso en el mundo, gradualmente. Y sus símbolos recurridos en las poesías, que están estrechamente relacionados con la cultura tradicional china, cuentan con divergencias en el entendimiento durante el proceso de traducción por las diferencias interculturales. Así que se pretende aprender y reflexionar los significados implícitos en sus poesías chinas inspirando a los traductores de poesías principiantes.

No categories

Direct download(2 more)   Export citation   Bookmark  

No categories

Direct download(2 more)   Export citation   Bookmark  

Direct download(2 more)   Export citation   Bookmark  

No categories

Direct download   Export citation   Bookmark  

Direct download(2 more)   Export citation   Bookmark  

Export citation   Bookmark  

Recently, achievement emotions have attracted much scholarly attention since these emotions could play a pivotal role in online learning outcomes. Despite the importance of achievement emotions in online education, very few studies have been committed to a systematic review of their effects on online learning outcomes. This study aimed to systematically review studies examining the effects of achievement emotions on online learning outcomes in terms of motivation, performance, satisfaction, engagement, and achievement. According to the selection process of Preferred Reporting Items (...) for Systematic Review and Meta-analysis principles, a total of 23 publications were included in this review. It was concluded that positive achievement emotions, such as enjoyment, pride, and relaxation, could generally exert a positive effect on online learning motivation, performance, engagement, satisfaction, and achievement. It should be noted that excessive positive emotions might be detrimental to online learning outcomes. On the other hand, it has been difficult to determine the effects of negative achievement emotions on online learning outcomes because of disagreement on the effects of negative achievement emotions. In order to improve online learners' learning outcomes, instructors should implement interventions that help online learners control and regulate their achievement emotions. Teaching interventions, technological interventions, and treatment interventions could benefit online learners emotionally and academically. Future studies could examine the moderating roles of contextual factors and individual variables in the effects of achievement emotions on online learning outcomes. (shrink)

Direct download(2 more)   Export citation   Bookmark  

Paper folding is a common activity in East Asian kindergartens, but its potential value to early spatial skills have not been empirically explored. This study aims to investigate whether and how paper folding skills can predict spatial ability in the early years. Altogether 101 preschoolers were randomly sampled from two Hong Kong kindergartens and invited to complete the map-use and the paper folding tasks. The paper folding task taps two levels of children’s paper folding skills: Basic Folding Skill and Advanced (...) Folding Skill. The parents reported the demographic information and their involvement in spatial activities at home. The results indicated the following: there was a significant age-related increase in the paper folding performance; child age could significantly predict both BFS and AFS, while parental involvement could only predict BFS ; after controlling for confounders, paper folding skills could significantly predict SA as measured by the map-use task; BFS was found to mediate the relationship between parental involvement and SA. The educational implications of these findings are also discussed. (shrink)

Direct download(2 more)   Export citation   Bookmark  

The present study examined English use anxiety, motivation, self-efficacy, use of English, and their predictive effects on top university students’ English achievements. Two hundred and twenty-three students of the Top-Notch Students of Basic Disciplines Training Program in a top Chinese university answered a battery of questionnaires, which consisted of the 8-item English Use Anxiety Questionnaire, the 5-item Motivational Self-Talk Questionnaire, the 3-item Self-Efficacy Questionnaire, the 19-item Language Learning Orientations Questionnaire, and a Background Information Questionnaire. Analyses of the data revealed the (...) following major findings: the participants had a low level of extrinsic motivation-introjected regulation, a low-to-medium level of English use anxiety, extrinsic motivation-external regulation, intrinsic motivation-knowledge, and a medium-to-high level of motivational self-talk, self-efficacy, extrinsic motivation-identified regulation, intrinsic motivation-accomplishment, and intrinsic motivation-stimulation, use of English anxiety and language learning orientation were generally significantly negatively correlated with each other, and significantly correlated with other measured variables, UAE and intrinsic motivation-knowledge significantly predicted the participants English achievements, measured both by standardized test scores and self-rated overall English proficiency, and use of English and self-efficacy mediated the effects of English use anxiety and language learning orientations on the participants’ English achievements. These findings further pinpoint the importance of anxiety and motivation in second/foreign language learning. (shrink)

Direct download(2 more)   Export citation   Bookmark  

No categories

Export citation   Bookmark  

Direct download   Export citation   Bookmark