@book{108658,
	author = {Martínez Rocha, Ricardo Emmanuel and Ramírez Valverde, Rodolfo},
	title = {Análisis de pedigrí de bovinos romosinuano en México},
	publisher = {El autor,},
	year = {2015.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/sist112197.pdf}
}