The surface features of the land : problems and methods of geomorphology / Alfred Hettner ; translated [from the German] and with a preface by Philip Tilley. Oberflachenformen des Festlandes. English Hettner, Alfred, 1859-1941. Geomorphology. 631.4 STL Translation from the German of the second edition of: Die Oberflachenformen des Festlandes. Includes bibiographical references and index. London : Macmillan, 1972. 1972. 1972 Text xxxii, 193 p. ; eng eng ger