@book{97670,
	author = {Camacho Vazquez, Hilda Irene},
	title = {Capacidad productiva de los pastizales en la reserva de biosfera Mapimi},
	publisher = {El autor,},
	year = {2009},
	address = {Bermejillo, Durango. :},
	url = {http://10.13.5.2/tesis/109327.pdf}
}