Cyclic designs / J.A. John. John, J. A. Experimental design. Incomplete block designs. QA279 .J63 1987 519.5 19 JOC Includes index. Bibliography: p. [215]-221. London ; New York : Chapman and Hall, 1987. 1987. 1987 Text x, 232 p. : eng Monographs on statistics and applied probability