@book{91155,
	author = {Vélez del Angel, Santiago.},
	title = {Cinética de adsorción de cadmio en suelos agrícolas /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/102690.pdf}
}