Pugh, E. M. <br/><br/>
Principles of electricity and magnetism 
<label>/ by </label> Pugh, E. M. 
<label>;</label> Pugh, E. W. 
 - 2nd ed. 
 - London  Addison - Wesley Publishing  1970 
 - xiii, 498p.  24 cm. 
<br/><br/><label>Dewey Class. No.: </label>537.1  / PUG