Handbuch der physik encyclopedia of physics  vol. XLVIII 
edited by S. Flugge 
 - Berlin  Springer-Verlag  1957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia<br/>Physics
<br/><br/><label>Universal Decimal Class. No.: </label>53(035)  / FLU