@book{69622,
	author = {Germán Alarcón, Miguel Angel.},
	title = {Evaluación in vitro de la calidad de semen porcino conservado en tres extensores a 5o.C},
	publisher = {El autor,},
	year = {1991},
	address = {Chapingo, Méx. :},
	note = {61-199}
}