Caring for the earth

Bibliografiska uppgifter
Institutionella upphovsmän:	International Union for Conservation of Nature and Natural Resources, United Nations Environment Programme, World Wide Fund for Nature
Materialtyp:	Bok
Språk:	English
Publicerad:	Gland, Switzerland IUCN--the World Conservation Union United Nations Environment Programme World Wide Fund for Nature c1991.
Ämnen:	Human ecology. Sustainable development. Nature conservation.