00299nam a2200133Ia 45000030006000000080041000060400015000471000022000622450032000842500011001162600009001275460012001360050017001480STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVictor Morgan, E.  aFirst approach to economics  aSecond  c1963  aEnglish20220125165606.0