WALTHER, John V. <br/><br/>
ESSENTIALS OF GEOCHEMISTRY 

 - 1st Ed. 
 - Boston  Jones and Bartlett Pubishers, Boston   2005 
<br/><br/><label>ISBN: </label>0763726427 
<br/><br/><label>Dewey Class. No.: </label>551.9  / WAL/E