Walther, John V <br/><br/>
ESSENTIALS OF GEOCHEMISTRY 
John V. Walther 
 - UK  2005 
 - 704 p.  85 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0-7637-2642-7 
<br/><br/><label>Dewey Class. No.: </label>