Schwinger, Julian Seymour, 1918- <br/><br/>
Particles, sources, and fields/ 
Julian Schwinger. 
 - Reading, Mass.:  Addison-Wesley,  1970. 
 - 425 p. ;   24 cm. 
 - Addison-Wesley series in physics. .
<br/><br/> Series statement lacking on v. 2. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Particles (Nuclear physics).<br/>Field theory (Physics).<br/>Electrodynamics.