@book{82947,
	author = {Méndez López, Rocío Mirna. and Villegas Orona, Alfredo.},
	title = {Comportamiento productivo de ovinos y de una pradera de Dactylis glomerata a tres, cargas animales},
	publisher = {El autor,},
	year = {2000.},
	address = {Chapingo, Méx. :}
}