Classification and use of protected natural and cultural areas : a report prepared within the IUCN Secretariat in collaboration with the IUCN Commission on Ecology and International Commission on National Parks as revised in the light of discussions at the IUCN General Assembly at Banff, Canada, September 1972 and the Second World Conference on National Parks at Grand Teton National Park, Wyoming, USA, September 1972

Author / Creator

Dasmann, Raymond F., 1919-2002

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