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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, 924+xix
650 _aStatistics
942 _cBK
999 _c14839
_d14839