@book{33252,
	author = {Field, Barry C. and Cano, Leonardo,},
	title = {Economia ambiental :},
	publisher = {McGraw-Hill,},
	year = {1995.},
	address = {Bogotá :},
	note = {Incluye indice\Titulo original. Environmental economics : an introduction\Incluye Bibliografia en cada capitulo.}
}