00385nam a2200133Ia 4500082002600000100007000026245003800096260005100134300001000185440004000195500000500235653000600240700000500246  a309.2620184bSy989.UD  aSymposium on an development model Univ. of Liverpool, April, 1970  aUrban development model, papersb  aLondonbCentre for Environmental studiesc1971  a331p.  aCentre for Environmental studiesv2  a  a   a