@book{31569,
	author = {Jensen, Per. and ebrary, Inc.},
	title = {The ethology of domestic animals},
	publisher = {CABI Pub.,},
	year = {c2002.},
	address = {Wallingford, Oxon, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10256993}
}