@book{89237,
	author = {Juárez Quesada, Edgar. and Quezada Gonzaga, Bonifacio.},
	title = {Diseño conceptual de un cabezal hilerador de maíz /},
	publisher = {El autor,},
	year = {2004.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/100765.pdf}
}