00347nam a2200133Ia 45000030006000000080041000060400015000471000040000622450063001022500010001652600009001755460012001840050017001960STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPaul Samuelson, A.; Rommey Robinson  aStudy guide and workbook to accompany Samuelson: Economics  aFifth  c1961  aEnglish20220125165607.0