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

Podrobná bibliografie
Korporativní autor:	United Nations Enviroment Programme (UNEP)
Médium:	Kniha
Jazyk:	English
Vydáno:	Nairobi, Kenya UNEP 1992
Témata:	Environmental management. Environmental policy. United Nations Enviroment Programme (UNEP)