Strahler, Arthur Newell, 1918- Elements of physical geography / Arthur N. Strahler, Alan H. Strahler. - 2d ed. - New York : Wiley, c1918 - xii, 560 p. : ill. ; 29 cm. Includes index. ISBN: 0471044598 Source: b-1909 LCCN: 78023776 Subjects--Topical Terms: Physical geography. LC Class. No.: GB54.5 / .S79 1918