00291nam a2200133Ia 45000030006000000080041000060400015000471000016000622450031000782500010001092600009001195460012001280050017001400STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTaro Yamane  aMathematics for economists  aFifth  c1975  aEnglish20220125170059.0