000 00264nam a22001097a 4500
008 140207t xxu||||| |||| 00| 0 eng d
100 _aWilliam G. Cochran
_9672
245 _aSampling Techniques
250 _athird edition
300 _axvi, 428 p. :
942 _2ddc
_cBK
999 _c16931
_d16931