@book{65648,
	author = {Warwick, Everett James. and Legates, James Edward.},
	title = {Cría y mejora del ganado},
	publisher = {Interamericana,},
	year = {1992},
	address = {México :},
	note = {Trad. de: Breeding and improvement of farm animals, 8 ed. de 1990}
}