Sparks, B. W., 1923- Geomorphology / by B.W. Sparks. - London : Longman, c1960 [Impression 1961]. - xx, 371 p., 32 p. of plates : ill. ; 22 cm. - Geographies for advanced study . Includes bibliographical references and index. Subjects--Topical Terms: Physical geography. Dewey Class. No.: 551.4 / SPG 1961