@book{77124,
	author = {Vidal, Juan Othón.},
	title = {Comportamiento productivo de ovejas Suffolk pastoreando una pradera asociada de Orchard (Dactylis glomerata L.) y alfalfa (Medicago sativa L.)},
	publisher = {El autor,},
	year = {1998.},
	address = {Chapingo, Méx. :}
}