John, J. A. Cyclic designs / J.A. John. - London ; New York : Chapman and Hall, c1987. - ix, 232 p. : ill. ; 23 cm. Includes indexes. Bibliography: p. [215]-221. ISBN: 0412282402 Subjects--Topical Terms: Experimental design.Incomplete block designs. Dewey Class. No.: 519.57 / JOC 1987