00325nam a2200133Ia 45000030006000000080041000060400015000471000021000622450036000832500010001192600033001295460012001620050017001740STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aArthur Lewis, W.  aPrinciples of economic planning  aThird  bGeorge Allen and Unwinc1981  aEnglish20220125165516.0