Schwinger, Julian <br/><br/>
Particles, Sources, and Fields 
/ by Julian Schwinger 
 - California:  Addison-Wesley Publishing Company,  1970. 
 - iv, 425p.; 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>539.721  / SCH/P