Dieke, Gerhard Heinrich  x <br/><br/>
Spectra and energy levels of rare earth ions in crystals  x 

 - x 
 - N.Y.  Interscience pub  1968 
 - xi, 401 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crystallography Crystallography 
<br/><br/><label>Dewey Class. No.: </label>548.8/DIS