Siemens,  <br/><br/>
Power and energy in alternating current circuits 

 - New Delhi  :  Wiley Eastern Ltd,  1979. 
 - 68 
<br/><br/><label>ISBN: </label>81-224-0230-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.042  / SIE