00306nam a2200133Ia 45000030006000000080041000060400015000471000022000622450038000842500012001222600009001345460012001430050017001550STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aErich Helfert, A.  aTechnniques of financial analysis  aSeventh  c1991  aEnglish20220125165540.0