State of the environment the state of the world environment.

State of the environment the state of the world environment.

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Détails bibliographiques
Collectivité auteur: United Nations Environmental Program
Format: Livre
Langue:English
Publié: Nairobi, Kenya UNEP c1986.
Collection:UNEP/GC 14/5-
Sujets:
Environmental protection > Congresses.
Environmental policy > Congresses.
Health > Environmental aspects.