@book{94219,
	author = {Santos Cruz, Agustín.},
	title = {Niveles y tendencias de consanguinidad en bovinos Jersey de registro mexicanos},
	publisher = {El autor,},
	year = {2007},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/105802.pdf}
}