@book{93246,
	author = {Ordaz Hernández, Juan Carlos.},
	title = {Análisis de la balanza comercial, usos y tecnología del carbón activado en México /},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/104803.pdf}
}