@book {2539,
	title = {The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies},
	year = {1990},
	pages = {328},
	publisher = {University of Tokyo Press},
	organization = {University of Tokyo Press},
	address = {Tokyo},
	keywords = {Chimpanzees, Mammals Tanzania, Sexual Behavior.},
	isbn = {0860084620},
	url = {http://lccn.loc.gov/90171058},
	author = {Nishida, Toshisada}
}
