Duff, P. McL. D. Cyclic sedimentation / P. McL. D. Duff, A. Hallam and E. K. Walton. - Amsterdam ; New York : Elsevier Pub. Co., 1967. - 280 p. : illus. ; 24 cm. Bibliography: p. [253]-270. and index. Subjects--Topical Terms: Sedimentation and deposition. Dewey Class. No.: 551.303 / DUC 1967