Scheidegger, Adrian E., 1925- Probability concepts in geomorphology / by A. E. Scheidegger and W. B. Langbein. - Washington, D.C.: United States Government Printing Office, 1966. - iii, 14 p. : ill. ; 29 cm. - Theoretical papers in the hydrologic and geomorphic sciences. . Bibliography: p. 13-14. Subjects--Topical Terms: Geomorphology--Statistical methods.Stochastic processes.