Encyclopedia of physics  vol. XLIX 
edited by Flugge S.                                          
 - Berlin  Springer-Verlag  1967 
 - vi, 630p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA Thesaurus<br/>Physics-Encyclopedia
<br/><br/><label>Universal Decimal Class. No.: </label>53(03)  / ENC-XLIX/2