00392nam a22001337a 4500008004100000020001500041082002000056100002400076245002700100250000800127260003300135300002200168490006800190250225b        |||||||| |||| 00| 0 eng d  a047116240X  a519.52bC663.ST  aCochran, William G.  aSampling techniquesb/  a3rd  aNew York:bJohn Wiley,c2000  axvi, 428p. Index.  aWiley series in Probability and Mathematical Statistics-Applied