> Mehrbändiges Werk
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4:
Protected areas of the world 4 Nearctic and Neotropical compiled by the World Conservation Monitoring Centre in collaboration with the IUCN Commission on National Parks and Protected Areas for the IVth World Congress on National Parks and Protected Areas, Caracas, Venezuela, 10-21 February 1992 with the support of the British Petroleum Company plc
Gland [u.a.]: IUCN, 1991-
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2:
Protected areas of the world 2 Palaearctic compiled by the World Conservation Monitoring Centre in collaboration with the IUCN Commission on National Parks and Protected Areas for the IVth World Congress on National Parks and Protected Areas, Caracas, Venezuela, 10-21 February 1992 with the support of the British Petroleum Company plc
Gland [u.a.]: IUCN, 1991-
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3:
Protected areas of the world 3 Afrotropical compiled by the World Conservation Monitoring Centre in collaboration with the IUCN Commission on National Parks and Protected Areas for the IVth World Congress on National Parks and Protected Areas, Caracas, Venezuela, 10-21 February 1992 with the support of the British Petroleum Company plc
Gland [u.a.]: IUCN, 1991-
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1:
Protected areas of the world 1 Indomalaya, Oceania, Australia and Antarctic compiled by the World Conservation Monitoring Centre in collaboration with the IUCN Commission on National Parks and Protected Areas for the IVth World Congress on National Parks and Protected Areas, Caracas, Venezuela, 10-21 February 1992 with the support of the British Petroleum Company plc
Gland [u.a.]: IUCN, 1991-