Understanding the earth :   a reader in the earth sciences / 
edi ted by I.G. Gass, Peter J. Smith, R.C.L. Wilson. 
 - 2nd ed. 
 - Sussex :   The Artemis Press,   1972. 
 - 383 p. :   ill., some col. ;   26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>851413080 851413099 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Earth sciences.
<br/><br/><label>Dewey Class. No.: </label>550