Summerfield, M. A. Global geomorphology : an introduction to the study of landforms / Michael A. Summerfield. - [Harlow, Essex, England) : New York : Longman Scientific & Technical ; Wiley, 1991. - xiv, 537 p. : ill., maps ; 27 cm. Includes bibliographical references and index. ISBN: 0470216662 (Wiley) LCCN: 89013805 Subjects--Topical Terms: Geomorphology. LC Class. No.: GB401.5 / .S82 1991 Dewey Class. No.: 551.4/1