Duff, John R. <br/><br/>
Alternating current fundamentals / 
John R. Duff, Milton Kaufman. 
 - Albany :  Delmar,  1980. 
 - viii, 582 p. :  ill. ;  27 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0827311338 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric currents, Alternating.<br/>Electric engineering.