Press, Frank. Understanding earth / Frank Press, Raymond Siever. - 3rd ed. - New York : W. H. Freeman, c2001. - 1 v. (various pagings) : ill. ; 28 cm + 1 computer optical disc (4 3/4 in.) Includes bibliographical references and index. ISBN: 0716735040 : Subjects--Topical Terms: Earth science. LC Class. No.: QE28 / .P74 2001