@book{1608,
	author = {Koeslag, Johan H.},
	title = {Bovinos de leche /},
	publisher = {Trillas,},
	year = {2001.},
	series = {Manuales para educación agropecuaria. },
	address = {México :},
	edition = {2a ed.},
	note = {Incluye índice}
}