Caring for the earth

Bibliographische Detailangaben
Körperschaften:	International Union for Conservation of Nature and Natural Resources, United Nations Environment Programme, World Wide Fund for Nature
Format:	Buch
Sprache:	English
Veröffentlicht:	Gland, Switzerland IUCN--the World Conservation Union United Nations Environment Programme World Wide Fund for Nature c1991.
Schlagworte:	Human ecology. Sustainable development. Nature conservation.