00295nam a2200121Ia 45000030006000000080041000060400015000471000019000622450054000812600009001355460012001440050017001560STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRobert Dorfman  aPrice system foundation of modern economic series  c1970  aEnglish20220125165604.0