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040			_aMAIN
041			_aEnglish
082			_a519.5 _bGUP N5
100			_aGupta, S.P.
245		0	_aStatistical methods _cS.P. Gupta
260			_aNew Delhi _bSultan Chand _c1995
300			_axii,24, xix,15.32
942			_cBK
999			_c19443 _d19443