00307nam a2200133Ia 45000030006000000080041000060400015000471000027000622450036000892500010001252600009001355460012001440050017001560STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGupta, P.K.; Man Mohan  aProblems in operations research  aThird  c1985  aEnglish20220125170050.0