Griffiths, David J, <br/><br/>
Introduction to electrodynamics 

 - 3rd edition. 
 - Delhi:  Pearson Education, Inc.,  2005. 
 - 291. 
<br/><br/><label>ISBN: </label>8178087375 
<br/><br/><label>Dewey Class. No.: </label> / GRI