000 00330nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a311
_bGUP
100 _aGupta, C B
245 3 _aAn introduction to statistical methods
250 _aEd.8
260 _aNew Delhi
_bVikas
_c1978
650 _aStatistical methods
942 _cBK
999 _c27229
_d27229