Strahler, Alan H. Introducing physical geography [Book] / Alan Strahler, Arthur Strahler. - 3rd ed. - [New York] : J. Wiley, c2003. - xix, 684 p. : ill. (some col.), col. maps ; 28 cm. + 1 CD-ROM (4 3/4 in.). All. ISBN: 0471238007 Subjects--Topical Terms: Physical geography. Dewey Class. No.: 550