@book{96001,
	author = {Ventura Cortés, Isabel.},
	title = {Reforma agraria en el ejido San Salvador el Seco municipio de San Salvador el Seco Puebla},
	publisher = {El autor,},
	year = {2008},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/107630.pdf}
}