00285nam a2200133Ia 45000030006000000080041000060400015000471000020000622450021000822500010001032600009001135460012001220050017001340STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGeorge Halm, N.  aEconomic systems  aThird  c1968  aEnglish20220125165520.0