Conservation of nature and natural resources in modern African states : report of a symposium 1963 Watterson, Gerald G. |
Conservation, science and society : contribution to the first International Biosphere Reserve Congress, Minsk, Byelorussia, USSR, 26 September-2 October 1983 1984
Conference on Conservation and Development : implementing the World Conservation Strategy : selected papers and abstracts : Ottawa, Canada, 31 May - 5 June 1986 1986
Gestion de la faune en Afrique sub-saharienne : perspectives économiques et contribution au développement rural : symposium international et conférence, 6-12 octobre 1987 1987
Global biodiversity strategy : guidelines for action to save, study and use Earth's biotic wealth sustainably and equitably 1992
