HOFSTADER, ROBERT A. <br/><br/>
ANALYSIS OF PETROLEUM FOR TRACE METALS 

 - S.E. 
 - Estados Unidos  S.E.  1976 WASHINGTON 
 - 191 
<br/><br/><label>ISBN: </label>0841203490 
<br/><br/><label>LCCN: </label>5842 
<br/><br/><label>Dewey Class. No.: </label>665.5