Theraja,A.K <br/><br/>
A textbook of Electrical technology-IV 

 - 23rd Ed. 
 - New Delhi  S.Chand & Company Ltd  2012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Engineering
<br/><br/><label>Dewey Class. No.: </label>621.3  / TH-E