Handbook on the physics and chemistry of rare earths  V.16 
ed. by Karl A. Gschneider, LeRoy Eyring 
 - Amsterdam  North-Holland  1993 
 - xii, 589p. 
<br/><br/><label>ISBN: </label>0444897828 
<br/><br/><label>Dewey Class. No.: </label>546.410202  / N78.16 "R"