Cunningham, William P.
Environmental science : a global concern
Mc Graw Hill, 2010
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Cunningham, William P.
Environmental science : a global concern
Mc Graw Hill, 2012
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Allaby, Michael
Basics of environmental science
Routledge , 1996
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Kaufmann, Robert K.
Environmental science
McGraw-Hill, 2008
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Cunningham, William P.
Environmental science : a global concern
McGraw-Hill, 2001
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