000 00327nam a2200133Ia 4500
008 210901s1953 xx 000 0 eng d
082 _a519.93 COC
100 _aCochran, William G.
245 0 _aSampling techniques
260 _aNew York
_bJohn Wiley & Sons
_c1953
300 _a413
650 _aMathematics
942 _2ddc
_cBK
999 _c9705
_d9705