@book{69440,
	author = {Programa de las Naciones Unidas para el Medio Ambiente},
	title = {Los bosques desaparecen},
	publisher = {PNUMA,},
	year = {[1988?]},
	series = {PNUMA. Dossier ambiental},
	address = {Nairobi, Kenya :},
	note = {34-94}
}