A sourcebook for conservation and biological diversity information /
Grose, Kevin.
Howard, Eric S.
Thiéry, Cécile.
International Union for Conservation of Nature and Natural Resources.
INFOTERRA.
France.Ministère de l'environnement.
Netherlands.Ministerie van Landbouw, Natuurbeheer en Visserij.
Gland ; Cambridge : IUCN - The World Conservation Union in collaboration with the United Nations Environment Programme, INFOTERRA Programme Activity Centre,
1995.
Nature conservation
Nature conservation