@book{110266,
	author = {Pérez Vega, Juan Manuel},
	title = {El cultivo del frijol (Phaseolus vulgaris L.) :},
	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/sist113805.pdf}
}