2009, Othmar W. Winkler, “Developments in Socio-Economic Statistics”, inInterpreting Economic and Social Data: A Foundation of Descriptive Statistics, Berlin:Springer,→ISBN, note 29,page15:
A stunning example of ‘a phenomenon being too large to be perceived’ impressed the author during a performance ofCharles Dickens’ ‘A Christmas Carol’ at the Ford Theater in 1983, in Washington, D.C. The phenomenon in question was theGhost ofX-masses to come who appeared on the dimly lit stage as a huge, shadowy figure, obviously on stilts, enveloped in a flowing, enormous black cape.