Duff, John R. <br/><br/>
Alternating current fundamentals / 
John R. Duff, Stephen L. Herman. 
 - 4th ed. 
 - Albany, N.Y. :  Delmar Publishers,  c1991. 
 - vi, 714 pages :  illustrations ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0827341563 0827341571 (pbk.) 
<br/><br/><label>LCCN: </label>90036474  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric currents, Alternating.<br/>Electrical engineering.
<br/><br/><label>LC Class. No.: </label>TK 1141  / .D83 1991 
<br/><br/><label>Dewey Class. No.: </label>621.319/13