000 00381nam a2200157Ia 4500
082 _a001.4222
_bCOS
100 _aCochran, William G
_91741
245 _aSampling techniques
_cWilliam G. Cochran
250 _a3rd
260 _aNew York
_bJohn Wiley
_c1977
300 _bxvi,428p
500 _aIncludes index
546 _aeng
650 _aSampling-Statistics
_9392
942 _cBK
999 _c95656
_d95656