Palen, J. John. The urban world / J. John Palen. - 4th ed / . - New York : McGraw-Hill , 1992. - xviii,521p. : ill.,figs.,plates ; 23cm . NULL ISBN: 0070481202 USD 40.95 Subjects--Index Terms: URBANIZATION-DEVELOPING Dewey Class. No.: 307.76 / PAL/U