The state of the environment (1972-1992): saving our planet challenges and hopes.

Bibliografische gegevens
Coauteur:	United Nations Enviroment Programme (UNEP)
Formaat:	Boek
Taal:	English
Gepubliceerd in:	Nairobi, Kenya UNEP 1992
Onderwerpen:	Environmental management. Environmental policy. United Nations Enviroment Programme (UNEP)