Differential urbanization : integrating spatial models / edited by H.S. Geyer and T.M. Kontuly. Geyer, H. S., 1951- Kontuly, Thomas. Migration, Internal. Population geography. HB1952 .D54 1996 304.809 20 DIF Includes bibliographical references and indexes. London : Arnold ; New York : Halsted Press, 1996. 1996. 1996 Text viii, 343 p. : eng