@book{2720,
	author = {Oates, Wallace E.},
	title = {The RFF reader in environmental and resource management},
	publisher = {Resources for the Future},
	year = {c1999.},
	address = {Washington, D.C.},
	url = {http://www.javeriana.edu.co/biblos/Libros/TheRFFreader.pdf}
}