000			00315nam a2200133Ia 4500
008			221102s9999 xx 000 0 und d
100			_aGupta, S.P
245		0	_aStatisticals Methods
250			_a4th ed
260			_bS Chand Pub _aDelhi _c2002
300			_axix,14.26p p.
700			_aGupta, Arachana
942			_cBK
999			_c2769 _d2769