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1
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2
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3
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6by International Coordinating Council of the Programme on Man and the Biosphere, 5th session, Vienna, 1977Get access
Published 1977
Other/Unknown Material -
7by International Coordinating Council of the Programme on Man and the Biosphere, 7th, Paris, 1981Get access
Published 1981
Other/Unknown Material -
8
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9
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11by International Coordinating Council of the Programme on Man and the Biosphere, 3rd session, Washington, 1974Get access
Published 1974
Other/Unknown Material -
12