Morecroft, J. H. Hehre, F. W.  <br/><br/>
Electrical circuits and machinery  Volume II, Alternating currents 

 - Third 
 - John Wiley & Sons  London  1933 
 - 582p.  fig., illu. 
<br/><br/><label>Nat. Bib. No.: </label>624 
<br/><br/><label>Universal Decimal Class. No.: </label>621.3.04  / MOR