Brown, E.H. . Progress in Geomorphology / Textual Documents E.H. Brown, R.S. Waters. - 1st ed. / - London : Institute of British Geographers , 1974. - 255p. : ill. ; 26cm . Subjects--Index Terms: Geology Geomorphology PG-Geology Dewey Class. No.: 551.4 / Br 812 Pr