Milton, K. A. <br/><br/>
Electromagnetic radiation :  variational methods, waveguides and accelerators / 
Kimball A. Milton, J. Schwinger 
 - Berlin :  Springer-Verlag,  c2006 
 - xvi, 360 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. [351]-352) and index 
<br/><br/><label>ISBN: </label>3540293043 (pbk.) 9783540293040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electromagnetic waves