@book{13866,
	author = {Koeslag, Johan H,},
	title = {Bovinos de Carne /},
	publisher = {Trillas,},
	year = {1990.},
	series = {Manuales de Educación Agropecuaria. Producción Animal; 6},
	address = {México :},
	edition = {2.}
}