00311nam a2200121Ia 45000030006000000080041000060400015000471000017000622450053000792600028001325460012001600050017001720STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAsimakopulos  aIntroduction to economic theory: micro economics  bOxford universityc1979  aEnglish20220125165608.0