000			00297nam a2200109Ia 4500
008			231129s2007 xx 000 0 und d
041			_aeng
082			_a001.424/GUP
100			_aHira Gupta
245			_aOperation Research
260			_aS. Chand & Comp. New Delhi _bS. Chand & Comp. New Delhi _c2007
999			_c938781 _d938781