De Blij, Harm J. The earth : a physical and human geography / Harm J. Blij De. - Rev. ed. of: The earth, a topical geography. - New York : John Wiley & Sons, 1987. - x, 516 p. : ill. ; 23 cm. Includes bibliography and index. Open. ISBN: 0471854956 LCCN: 8714727 Subjects--Topical Terms: gegraphy.