Electrochemistry  W : Tungsten : System number 54 

 - 8. ed. 
 -  1990 
 - XV, 207 S. : graph. Darst. 
 - Bar, Gudrun; Gras, Dieter .
<br/><br/><label>ISBN: </label>354093605X 038793605X 
<br/><br/><label>Universal Decimal Class. No.: </label>54