Duff, John R <br/><br/>
Alternating current fundamentals 
John R. Duff 
 -  c.1980 
<br/><br/><label>ISBN: </label>0827311427 
<br/><br/><label>Subjects--Topical Terms: </label> Electrical engineering --EE
<br/><br/><label>Dewey Class. No.: </label>621.31913 DUF