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1
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Man in the living environment report of the Workshop on Global Ecological Problems, 1971
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Workshop on Global Ecological Problems Institute of Ecology United Nations Conference on the Human Environment
Published for the Institute of Ecology, by the University of Wisconsin Press([1972])
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2
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Man in the living environment report of the Workshop on Global Ecological Problems, 1971
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Workshop on Global Ecological Problems Institute of Ecology United Nations Conference on the Human Environment
Published for the Institute of Ecology, by the University of Wisconsin Press([1972])
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