State of the environment the state of the world environment.

Podrobná bibliografie
Korporativní autor:	United Nations Environmental Program
Médium:	Kniha
Jazyk:	English
Vydáno:	Nairobi, Kenya UNEP c1986.
Edice:	UNEP/GC 14/5-
Témata:	Environmental protection > Congresses. Environmental policy > Congresses. Health > Environmental aspects.