COCHRAN, William G. Sampling techniques / [by] William G.Cochran - 2nd ed. - New York John Wiley 1963 - xvii, 413 p.- - Wiley series in probablity and mathematical ststistics . Includes references & index. ISBN: 471162388 Subjects--Topical Terms: SamplingStatistical mathematics Dewey Class. No.: 519.52 / COC