@book{93503,
	author = {Castillo López, Ezequías.},
	title = {La ingenieria genética aplicada a la producción animal},
	publisher = {El autor,},
	year = {2007.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/105065.pdf}
}