@book{48533,
	author = {Parker, Sue Taylor. and ebrary, Inc.},
	title = {The mentalities of gorillas and orangutans},
	publisher = {Cambridge University Press,},
	year = {1999.},
	address = {Cambridge, U.K. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10064326}
}