WALTHER V. JOHN. <br/><br/>
ESSENTIALS OF GEOCHEMISTRY / 
JOHN V. WALTHER. 
 - 2nd ED. 
 - NEW YORK ;  LONES & BARTELTT              2009. 
 - 766 P. ; 
<br/><br/><label>Dewey Class. No.: </label>551.4  / JOH