@book{242367,
	author = {Erazo Parga, Manuel and Ebrary inc.},
	title = {Ecología: impacto de la problemática ambiental actual sobre la salud y el ambiente},
	publisher = {ECOE},
	year = {2013.},
	address = {Colombia},
	url = {http://site.ebrary.com/lib/pucpr/docDetail.action?docID=10692966}
}