Zelinsky, Wilbur
A prologue to population geography / Wilbur Zelinsky
Prentice Hall International, 1970
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Demko, George J.
Population geography: a reader
McGraw-Hill, 1970
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Clarke, John I.
Population geography and the developing countries
Pergamon Press, 1979
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Petersen, William
Population
Macmillan, 1961
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Petersen, William
Population
Macmillan, 1969
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