@book{94094,
	author = {Hristov, Alexander N. and ebrary, Inc.},
	title = {Nitrogen and phosphorus nutrition of cattle},
	publisher = {CABI Pub.,},
	year = {c2005.},
	address = {Wallingford, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10157976}
}