Flugge,S. .ed <br/><br/>
Encyclopedia of physics 

 - Berlin  Springer-Verlag  1960 
 - vii,902 p. 
 - Principles of classical mechanics and field theory  Volume III/1 .
<br/><br/> includes subject index 
<br/><br/><label>Dewey Class. No.: </label>RR Ck J6,K0.3.1