Theraja B.L  & Theraja A.K <br/><br/>
A TextBook of Electrical Technology  Vol.I 

 -  "S Chand and Company ltd, New Delhi"  2005 
<br/><br/><label>ISBN: </label>978-81-219-2440-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>D66  P5.1