Theraja B. L. <br/><br/>
A Text book of electrical technology vol iv 

 - New Delhi  S Chand And Co  2002 
 - 1826TO2416p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELECTRICAL
<br/><br/><label>Dewey Class. No.: </label>621.301