@book{92724,
	author = {Mauricio Leguízamo, José Antonio},
	title = {Las organizaciones de productores de frijol en Zacatecas :},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/104276.pdf}
}