00313nam a2200133Ia 45000030006000000080041000060400015000471000018000622450027000802500012001072600031001195460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHanson, J.L..  aText book of economics  aSeventh  bMac Donald and Evansc1977  aEnglish20220125165604.0