@book{37583,
	author = {Boyd, Robert, and Richerson, Peter J. and ebrary, Inc.},
	title = {The origin and evolution of cultures},
	publisher = {Oxford University Press,},
	year = {2005.},
	series = {Evolution and cognition},
	address = {Oxford ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10233633}
}