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    Environment and access to resources in Africa per Blaikie, Piers

    Publicat 1989
    Analytics
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    Can there be such a thing as a perfect tree? per Brewbaker, James L.

    Publicat 1989
    Analytics
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    Do we know what we are talking about? per Carpenter, Richard A.

    Publicat 1989
    Analytics
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    What is ecological economics? per Constanza, Robert

    Publicat 1989
    Analytics
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