00351nam a2200145Ia 4500008004100000020001500041041000800056082001300064100001800077245002500095250000600120260004400126300001100170650002400181210716s2005    xx            000 0 und d  a8125912754  aeng  a003 KALS  aKalavathy, S.  aOperations research.  a2  aNew DelhibVikas Publishing Housec2005  axv,536  aOperations Research