000			00339nam a2200145Ia 4500
008			230915s9999 xx 000 0 und d
082			_a519.5 GUP
100			_aGupta, S.P.
245		0	_aStatistical Methods
260			_aNEW DELHI
260			_bSULTAN CHAND AND SONS
260			_c2007
300			_axx,1468
650			_aMathematics
999			_c159690 _d159690