Duffin, W. J. <br/><br/>
Electricity and magnetism / 
W. J. Duffin 
 - 4th ed. 
 - London :  McGraw Hil,l  1973 
 - 437 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>007707209X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electricity<br/>Magnetism