@book{8156,
	author = {Köhler, Wolfgang and Winter, Ella},
	title = {The mentality of apes},
	publisher = {Vintage Books},
	year = {1956.},
	series = {International library of psychology, philosophy and scientific method},
	address = {New York},
	note = {Translation of Intelligenzprüfungen an Menschenaffen.}
}