00313nam a2200133Ia 45000030006000000080041000060400015000471000024000622450045000862500010001312600009001415460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aStanford Optner, L.  aSystems analysis for business management  aThird  c1977  aEnglish20220125170549.0