Factorial designs / B.L. Raktoe, A. Hedayat, W.T. Federer. Raktoe, B. L., 1932- Hedayat, A., joint author. Federer, Walter Theodore, 1915- joint author. Factorial experiment designs. QA279 .R35 519 19 R162f Includes bibliographies and index. New York : Wiley, c1981. c1981. 1981 Text xii, 209 p. ; eng Wiley series in probability and mathematical statistics