Strahler, Alan Physical geography : science and systems of the human environment / Alan Strahler, Arthur Strahler. - 2a ed. - New York : John Wiley , 2002 - xx, 748 p. : ils. ; 28 cm. Incluye glosario e índice ISBN: 0471238007 Subjects--Topical Terms: Geografía física LC Class. No.: GB 54.5 / S87 2002