000 00316nam a2200133Ia 4500
008 170101s1957 xx 000 0 und d
082 _a311 COC
100 _aCochran, W.G
245 0 _aExperimental designs
250 _a2nd Ed.
260 _aNew York
_bJohn Wiley & Sons
_c1957
300 _aP.611
942 _2ddc
_cBK
999 _c8931
_d8931