Sommerfeld, Arnold,  1868-1951 <br/><br/>
Atomic structure and spectral lines / 
by Arnold Sommerfeld ; translated from the German ; edited by Henry L. Brose 
 - London :  Methuen,  1923 
 - xiii, 626 p. :  ill. ;  23 cm. 
<br/><br/> Translation of: Atombau und Spektrallinien 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matter--Constitution<br/>Atoms<br/>Spectrum analysis