Lutgens, Frederick K. Essentials of geology / GEODe essentials of geology [computer file] : Frederick K. Lutgens, Edward J. Tarbuck; illustrated by Dennis Tasa - 9th ed - New Jersey: Prentice Hall, 2006 - xvii, 486 p.: col. ill.; 28 cm + 1 computer disc Includes glossary and index ISBN: 0131981951 Subjects--Topical Terms: Geology