00293nam a2200133Ia 45000030006000000080041000060400015000471000020000622450028000822500011001102600009001215460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRaymond Bye, T.  aPrinciples of economics  aFourth  c1964  aEnglish20220125165613.0