Sparks, B. W. 1923- Geomorphology / B.W. Sparks. - 1st ed., 9th impr. - London : Longmans, 1969. - xxi, 530 p. : ill., maps; 24 cm. - Geographies for advanced study. . Bibliography: p. 488-507. ISBN: 0582481473 Subjects--Topical Terms: Geomorphology Dewey Class. No.: 551.4