00330nam a2200133Ia 45000030006000000080041000060400015000471000028000622450048000902500010001382600019001485460012001670050017001790STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGopikuttan, G.tal, S.K.  aQuatitative methods and operations Research  aFirst  bHimalayac1987  aEnglish20220125170050.0