Caring for the earth - International Union for Conservation of Nature and Natural Resources; United Nations Environment Programme; World Wide Fund for Nature (Gland, Switzerland IUCN--the World Conservation Union United Nations Environment Programme World Wide Fund for Nature, 1991)
Accompanied by: Summary. 24 p. ; 27 cm.
Includes bibliographical references (p. 213-222).
Keywords: Human ecology; Sustainable development; Nature conservation