@book{99702,
	author = {Abelino Torres, Gonzalo and Valdivia Alcalá, Ramón},
	title = {Valoración económica del reciclaje de desechos urbanos},
	publisher = {El autor,},
	year = {2010.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/111360.pdf}
}