00309nam a2200121Ia 45000030006000000080041000060400015000471000017000622450051000792600028001305460012001580050017001700STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDonald Dewey  aMicro economics analysis of prices and markets  bOxford universityc1977  aEnglish20220125165609.0