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040 _e136898
_aMAIN
041 _aEnglish
082 _a519.5 G959S
100 _aGupta, S .P
245 0 _aStatistical methods
260 _aNew Delhi
_bSultan Chand
_c1995
300 _aR-212p p.
942 _cBK
999 _c80174
_d80174