Hettner, Alfred, 1859-1941. Hettner, Alfred, 1859-1941. The surface features of the land : problems and methods of geomorphology / translated and with a pref. by Philip Tilley. - [London] : Macmillan, [1972] Translation of the 2d ed. of Die Oberflachenformen des Festlandes. Includes bibliographical references. Subjects--Topical Terms: Geomorphology. Dewey Class. No.: 551.4