@book{163340,
	author = {Schaller, George B. and Keane, Richard, and ebrary, Inc.},
	title = {The Serengeti lion},
	publisher = {University of Chicago Press,},
	year = {1976, c1972.},
	series = {Wildlife behavior and ecology},
	address = {Chicago :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10343449}
}