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  1. Africa's ecological future : natural balance or environmental disruption? : hearing before the Subcommittee on Africa of the Committee on International Relations, House of Representatives, One Hundred Fourth Congress, first sessi
    By: United States.
    Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1995.
    Contributed by: Boston Public Library (archive.org)
    Subjects: Africa  Biological diversity conservation  Ecology  Effect of human beings on  Nature  
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  2. Africa's environment : the final frontier : hearing before the Subcommittee on Africa of the Committee on International Relations, House of Representatives, One Hundred Fourth Congress, second session, July 17, 1996.
    By: United States.
    Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1996.
    Contributed by: Boston Public Library (archive.org)
    Subjects: Africa  Ecology  Effect of human beings on  Environmental protection  Nature  
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  3. The ecological impact of man on the south Florida herpetofauna / by Larry David Wilson and Louis Porras.
    By: Wilson, Larry David. - Porras, Louis. - University of Kansas.
    Publication info: Lawrence :University of Kansas :1983.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Amphibians  Ecology  Effect of human beings on  Florida  Nature  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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