Duffin, W. J. <br/><br/>
Electricity and magnetism / 
W. J. Duffin 
 - 2nd ed. 
 - London :  McGraw Hill,  1973 
 - xiv, 423 p. :  ill. ;  25 cm. 
<br/><br/>Bibliography : p. 398-401 
<br/><br/><label>ISBN: </label>0470223693 
<br/><br/><label>LCCN: </label>73-004612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electricity<br/>Magnetism