Chadwick, George F. Models of urban and regional systems in developing countries : some theories and their application in physical planning / by George Chadwick. - Oxford : Pergamon, 1986. - xv, 322 p. : ill. - Urban and regional planning series ; v. 36 . ISBN: 0080230008 : $45.00 (U.S. : est.) Subjects--Topical Terms: Sociology, Urban--Developing countries.City planning--Developing countries.Regional planning--Developing countries.Urban policy--Developing countries. LC Class. No.: HT149.5 / .C43 1986 Dewey Class. No.: 307.7/6�19