00372nam a2200133Ia 45000030006000000080041000060400015000471000021000622450075000832500010001582600041001685460012002090050017002210STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aArthur Lewis, W.  aPrinciples of economic planning a study prepared for the fabin society  aFirst  bUnwin university books, Londonc1965  aEnglish20220125165626.0