@book{78395,
	author = {García-Colín Scherer, Leopoldo and Varela Ham, Juan Rubén},
	title = {Contaminación atmosférica},
	publisher = {El Colegio Nacional},
	year = {1996.},
	address = {México, D.F. :},
	note = {La biblioteca tiene : v.1, v.3, v.4, v.6,}
}