@book{1872,
	author = {Orozco Barrenetxea, Carmen. and Alfayate Blanco, José Marcos.},
	title = {Contaminación ambiental :},
	publisher = {International Thomson Editores Spain :},
	year = {2011.},
	address = {Madrid :},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl/ebook/003813-Contaminacion-ambiental }
}