00297nam a2200121Ia 45000030006000000080041000060400015000471000023000622450039000852600022001245460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPaul Samuelson, A.  aEconomics an introdectory analysis  bMcgraw hillc1964  aEnglish20220125165603.0