000 00333nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aS.P.Gupta
245 0 _aStatistical Methods
250 _a2nd RP
260 _aNew Delhi
260 _bSulthan Chand & Sons
260 _c1999
650 _aStatistical Methods
942 _cREF
999 _c18169
_d18169