@book{8631,
	author = {Sawyer, Clair N.},
	title = {Química para ingenieria ambiental /},
	publisher = {McGraw-Hill,},
	year = {2001.},
	address = {Bogotá :},
	edition = {4a ed.},
	note = {Incluye indice.\Titulo original. Chemistry for environmental engineering.}
}