@book{87062,
	author = {Gutiérrez Rodríguez, José.},
	title = {Prueba y evaluación de un arado Kimball ARHK-3},
	publisher = {El autor,},
	year = {2003.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/98579.pdf}
}