Compounds with Te, Po  Sc, Y, La - Lu : Rare earth elements : System number 39 

 - 8. ed. 
 -  1987, 1987 
 - XIX, 362 S. 
 -  Hinz, Ingeborg Kuhn, Peter Vetter, Ursula .
<br/><br/><label>ISBN: </label>3540935479 0387935479 
<br/><br/><label>Universal Decimal Class. No.: </label>546+546.3