Addendum - corrigendum to the second edition of United Nations list of national parks and equivalent reserves, including data received to 30 June 1972
1972
Harroy, Jean-Paul |
Protected areas
Conservation in tropical South East Asia : proceedings of the Conference on Conservation of Nature and Natural Resources in Tropical East Asia, Bangkok, Thailand, November 29 - December 4, 1965
1968
Talbot, Lee M. (Lee Merriam) |
Talbot, Martha H. |
Derniers refuges : atlas commenté des réserves naturelles dans le monde
1956
Heim, Roger |
Conférence internationale pour la protection de la nature, Brunnen, 28 juin - 3 juillet 1947 : procès-verbaux, résolutions et rapports
1947
Büttikofer, Johann |
Addendum - corrigendum to the second edition of the United Nations list of national parks and equivalent reserves including data received to 30 June 1972
1972
Harroy, Jean-Paul |
