Kaufman, Robert K., author
Environmental science
McGraw-Hill, 2008
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Botkin, Daniel B., author
Environmental science : earth as a living planet
John Wiley & Sons, 2003
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Botkin, Daniel B., author
Environmental science : earth as a living planet
John Wiley & Sons, 1995
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Botkin, Daniel B., author
Environmental science : earth as a living planet
John Wiley & Sons, 2000
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Life after '80 : environmental choices we can live with / editor, Kathleen Courrier
Brick House, 1980
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