Summerfield, M. A. Global geomorphology : an introduction to the study of landforms / Michael A. Summerfield. - New York: Longman Scientific & Technical, [1991]. - xiv, 537 p. : ill., maps, tables ; 27 cm. Includes bibliographical references and index (p. 525-537). ISBN: 0582301564 Subjects--Topical Terms: Geomorphology Dewey Class. No.: 551.41