Thornbury, William D. Principles of Geomorphology / William D. Thornbury. - 3rd ed. - New Delhi : New Age International Pub. , c2019 [Reprint 2022]. - xi, 602 p. : ill. ; 24 cm. includes inedex and references ISBN: 9789386649935 Subjects--Topical Terms: Geology, StructuralGeomorphology Dewey Class. No.: 551.4 / THP 2019