Strahler, Arthur Newell Physical geography / Arthur Newell Strahler - 2nd ed. - New York : Wiley, c 1960 [Printing 1961] - vii, 534 p. : ill. ; 29 cm. Includes Index. Subjects--Topical Terms: Physical geographyGeophysics Dewey Class. No.: 910.02 / STP 1960