AMMEN,C.W <br/><br/>
RECOVERY AND REFINING OF PRECIOUS METALS 

 - 2 
 - LONDON  Chapman Publishing Ltd  1997 
 - xi+441p.,22X14Cms. 
<br/><br/><label>ISBN: </label>0412720604 
<br/><br/><label>Dewey Class. No.: </label>669.2 A516