United Nations Conference on Environment and Development.

Détails bibliographiques
Collectivité auteur:	United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil;)
Format:	Livre
Langue:	English
Publié:	S.L. s.n. [199?]
Sujets:	United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil) Environmental policy > International cooperation. Economic development > Environmental aspects.