00320nam a2200133Ia 45000030006000000080041000060400015000471000023000622450053000852500010001382600009001485460012001570050017001690STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGeorge Leland Bach  aEconomics an introduction to analysis and policy  aThird  c1960  aEnglish20220125165659.0