@book{33251,
	author = {Field, Barry C. and Field, Martha K.},
	title = {Economia ambiental /},
	publisher = {McGraw-Hill,},
	year = {2003.},
	address = {Madrid :},
	edition = {3a. ed / Editora Ana Navarro.},
	note = {Apendice\Incluye indice\Titulo original. Environmental economics : an introduction.}
}