Palen, J. John
The Urban world / J. John Palen
McGraw-Hill, 1981
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Palen, J. John
The urban world
McGraw-Hill, 1987
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Northam, Ray M.
Urban geography
John Wiley & Sons, 1979
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Hallenbeck, Wilbur C.
American urban communities
Harper & Brothers , 1951
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Urban and regional economics perspectives for public action
edited by Joseph E. Haring
Houghton Miffiln, 1972
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