Walther, John Victor. <br/><br/>
Essentials of geochemistry / 
John V. Walther. 
 - Sudbury, Mass. :  Jones and Bartlett Publishers,  c2005. 
 - xiv, 704 p. : 
<br/><br/><label>ISBN: </label>0763726427 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemistry.
<br/><br/><label>Dewey Class. No.: </label>551.9  / Es