@book{165987,
	author = {Bath, Donald L. and I. Dickinson, Frank N. coautor II. Trucker, H. Allen, coautor III. Appleman, Robert D., coautor},
	title = {Dairy cattle : principles, practices, problems, profits  /},
	publisher = {Lea and Febiger,},
	year = {1978},
	address = {Philadelphia  :},
	edition = {2a ed.}
}