@book{95054,
	author = {Martínez Aguilar, Federico Antonio.},
	title = {Hacia un pago único en el sector rural de México},
	publisher = {El autor,},
	year = {2007},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/106665.pdf}
}