Knapp, Brian J.
Challenge of human environment
Longman, 1992
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Knapp, Brian
The challenge of the natural environment
Longman House, 1992
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The human environment
edited by Jonathan Rigg
Archipelago Press, 1996
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Treshow, Michael
The Human environment
McGraw-Hill, 1976
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Getis, Arthur
Human geography : culture and environment
Macmillan, 1985
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