00397nam a2200157Ia 4500008004100000082001800041100001800059245002400077260004300101300000800144650001700152650001400169653002400183700001700207700001500224170901s1977    xx            000 0 und d  a001.424bS96O  aSwarup, Kanti 0aOperations Research  aNew DelhibSultan Chand and Sonsc1977  a869  aGeneralities  aKnowledge  aOperations research  aGupta, P. K.  aMohan, Man