Ridley, B.K.
The Physical environment
John Wiley & Sons, 1979
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Blij, Harm J.. de
Physical geography of the global environment
John Wiley & Sons, 1996
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Blij, Harm J.. de
Physical geography of the global environment
John Wiley & Sons, 1993
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Tillery, Bill W.
Physical science / Bill W. Tillery
McGraw-Hill, 2012
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Pipkin, Bernard W.
Geology and the environment / Bernard W. Pipkin, D.D Trent
West/Wadsworth, 1997
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