@book{46126,
	author = {Seoánez Calvo, Mariano, and Bellas Velasco, Elena,},
	title = {Tratado de la contaminación atmosférica :},
	publisher = {Mundi-Prensa,},
	year = {2002.},
	series = {Ingeniería del medio ambiente},
	address = {Madrid :}
}