@book{228705,
	author = {Stark, Oded. and ebrary, Inc.},
	title = {Altruism and beyond},
	publisher = {Cambridge University Press,},
	year = {1995.},
	series = {Oscar Morgenstern memorial lectures},
	address = {Cambridge ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=2000700}
}