000			00294nam a2200133Ia 4500
008			160122s9999 xx 000 0 und d
041			_aEnglish
100			_aR K Gupta
245			_aOperation Research
250			_a1st
260			_bMeerut:krishna pub _c1999
300			_a626p.
650			_aMath
999			_c112 _d112