Res. 3584. AZ
Edgeworth, Francis Ysidro, 1845-1926.
Mathematical psychics: an essay on the application of mathematics to the moral sciences / by F. Y. Edgeworth...
London : C. Kegan Paul & Co., 1881. (London : Snottiswoode, printers)
viii; 150 p. 3°22 cm.