000 00332nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a3 gup
100 _aGupta, Prem Kumar
245 0 _aOpeartions Research
260 _aNEW DELHI
260 _bS.CHAND
260 _c2007
300 _a1377
650 _aComputers Engineering
999 _c142793
_d142793