Sommerfeld, Arnold <br/><br/>
Atomic structure and spectral lines 
Arnold Sommerfeld     
 - 3rd ed. 
 - London  Methuen  1934 
 - xi, 675p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atomic physics<br/>Spectral analysis
<br/><br/><label>Universal Decimal Class. No.: </label>539.15  / SOM