@book{93699,
	author = {Vásquez Villegas Saul.},
	title = {Diagnóstico de la ganaderia bovina en la comunidad de Infiernillo, Huitepec, Zaachila, Oaxaca},
	publisher = {El autor,},
	year = {2007},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/105266.pdf}
}