Caring for the earth.

Opis bibliograficzny
organizacja autorów:	International Union for Conservation of Nature and Natural Resources, World Wide Fund for Nature, United Nations Environment Programme
Format:	Książka
Język:	English
Wydane:	Gland, Switzerland IUCN-the World Conservation Union ; United Nations Environment Programme : World Wide Fund for Nature c1991.
Hasła przedmiotowe:	Human ecology. Nature conservation. Sustainable development.