@book{120916,
	author = {Kropp, Gerhard.},
	title = {Teoria del conocimiento},
	publisher = {Union Tipografica Editorial Hispano Americana},
	year = {1961-},
	series = {Manuales UTEHA ; no. 102. Sección 7 : Filosofia},
	address = {Mexico},
	note = {Translation of Erkenntnistheorie.}
}