State of the environment the state of the world environment.

Bibliografische gegevens
Coauteur:	United Nations Environmental Program
Formaat:	Boek
Taal:	English
Gepubliceerd in:	Nairobi, Kenya UNEP c1986.
Reeks:	UNEP/GC 14/5-
Onderwerpen:	Environmental protection > Congresses. Environmental policy > Congresses. Health > Environmental aspects.