@book{98082,
	author = {Chávez Segura, Pío Giovanni.},
	title = {Maíz, saberes campesinos y autonomía alimentaria :},
	publisher = {El autor,},
	year = {2009.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/109739.pdf}
}