Cochran, William G . Experimental designs / by William G. Cochran and Gertrude M. Cox. - 2nd ed / . - New York : John Wiley & Sons , 1976. - xiv, 611p. : tables ; 22cm . Includes index ISBN: USD 5.25 (Pb) Subjects--Index Terms: DESIGNS Dewey Class. No.: 001.422 / COC/E