@book{83828,
	author = {Hruschka, Daniel J., and ebrary, Inc.},
	title = {Friendship},
	publisher = {University of California Press,},
	year = {c2010.},
	series = {Origins of human behavior and culture ;},
	address = {Berkeley :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10417070}
}