000 00286nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aGeorge W.Snedcor
245 0 _aStatistical methods
260 _bJowa State university press
260 _c1967
365 _b66.20
942 _cBK
999 _c196142
_d196142