@book{30528,
	author = {Vaarst, M. and ebrary, Inc.},
	title = {Animal health and welfare in organic agriculture},
	publisher = {CABI Pub.,},
	year = {c2004.},
	address = {Wallingford, Oxon, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10070208}
}