Rare metals handbook 
[Hrsg.] Clifford A. Hampel 
 - 2. ed., facsimile of second printing 1967 
 - XVI, 715 S.  Ill., graph. Darst. 
<br/><br/><label>ISBN: </label>0882750240 
<br/><br/><label>Dewey Class. No.: </label>669.7