@book{19533,
	author = {Orozco Barrenetxea, Carmen and Pérez Serrano, Antonio},
	title = {Contaminación ambiental : },
	publisher = {Paraninfo S.A},
	year = {2011},
	address = {Madrid, España : },
	edition = {Primera edición},
	note = {www.paraninfo.es}
}