00380nam a22001337a 4500020001800000082002100018100001800039245005600057260004700113300002000160650002400180650002800204700001400232  a9788121902816  a001.424  bKAN/O  aSwarup, Kanti  aOperations Research/cPrem Kumar Gupta and D S Hira  aNew Delhi:bSultan Chand and Sons,cc1979.  a1395p. ;b25cm.  aOperations Research  aProbability-Mathematics  aHira, D S