Pugh, Emerson M. and Pugh, Emerson W. <br/><br/>
Principles of Electricity and Magnetism 

 - Reading  Addison-Wesley Publishing Company, Inc.  1960 
 - 430 
<br/><br/><label>Publisher. No.: </label> Popular Book Depot 
<br/><br/><label>Subjects--Personal Names: </label> Physics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics