@book{52786,
	author = {van den Berg, J. H. and Croes, H. F. },
	title = {The Changing Nature of Man : },
	publisher = {Dell Pub. Co., },
	year = {1975},
	address = {New York, NY : },
	note = {Translation of : Metabletica, of Leer der Veranderingen. }
}