@book{98533,
	author = {Vásquez Elorza, Ariel.},
	title = {Análisis y perspectivas de la cadena de trigo en México:},
	publisher = {El autor,},
	year = {2009},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/110191.pdf}
}