@book{247050,
	author = {Rumbaugh, Duane M., and Washburn, David A., and ebrary, Inc.},
	title = {Intelligence of apes and other rational beings},
	publisher = {Yale University Press,},
	year = {c2003.},
	series = {Current perspectives in psychology},
	address = {New Heaven :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10169936}
}