00274nam a2200109Ia 4500008004000000082001700040100003100057245002500088250000500113260003400118300001200152210210b1994   xxu||||| |||| 00| 0 eng d  a001.424 SWAO  aSWARUP (Kanti) and others.  aOperations research.  a  aNDbSultan Chand & Sonsc1994  axiv,803