Jensen, Mead L <br/><br/>
Economic mineral deposits 

 - 3rd.ed 
 - New York  John Wiley and Sons  1979 
 - viii, 593p. : ill 
<br/><br/><label>ISBN: </label>0471090433 
<br/><br/><label>LC Class. No.: </label>TN 260 Jen