Strahler, Arthur N.
Modern physical geography
John Wiley & Sons, 1983
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Craghan, Michael
Physical geography: a self-teaching guide
John Wiley & Sons, 2003
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Strahler, Arthur N.
Physical geography
John Wiley & Sons, 1975
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Trewartha, Glenn T.
Physical elements of geography
McGraw-Hill, 1967
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De Blij, Harm J.
Physical geography of the global environment
John Wiley & Sons, 1993
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