@book{16117,
	author = {National Research Council (U.S.).},
	title = {Nutrient requirements of dairy cattle /},
	publisher = {National Academy Press,},
	year = {1988.},
	address = {Washington, D.C. :},
	edition = {6th rev. ed.},
	note = {System requirements for computer disk:PC or MS DOS; hard disk.}
}