@book {2420,
	title = {Classification and Human Evolution},
	series = {Viking Fund Publications in Anthropology},
	volume = {37},
	year = {1963},
	pages = {371},
	publisher = {Aldine Pub. Co.},
	organization = {Aldine Pub. Co.},
	address = {New York},
	keywords = {Human beings., Human evolution, Primates},
	url = {http://lccn.loc.gov/63018184},
	author = {Washburn, S. L.}
}
