@book{88460,
	author = {Roldán Montiel, Juan de Dios.},
	title = {Fertilidad en vacas sincronizadas con norgestomet + PGF2oc+ PMSG al final del diestro},
	publisher = {El autor,},
	year = {2003.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/99983.pdf}
}