@book{130447,
	author = {National Research Council (U.S.).},
	title = {Nutrient requirements of beef cattle},
	publisher = {National Academy Press,},
	year = {1996.},
	series = {Nutrient requirements of domestic animals},
	address = {Washington, D.C. :},
	edition = {7th rev. ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10495418}
}