@book{1530,
	author = {Bekoff, Marc. and ebrary, Inc.},
	title = {Encyclopedia of animal rights and animal welfare},
	publisher = {Greenwood Press,},
	year = {1998.},
	address = {Westport, Conn. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=5005073}
}