@book{110011,
	author = {Pérez Torres, Ezequiel},
	title = {Balance de oferta y demanda del cultivo de frigol en México /},
	publisher = {El autor,},
	year = {2017.},
	address = {Chapingo, Méx. :},
	note = {Para ver el contenido del material haga clic en la liga},
	url = {http://10.13.5.2/tesis/sist113550.pdf}
}