Theraja B L <br/><br/>
Text-book of electrical technology 
Theraja B L; Thereja A K 
 -  1988 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>33375 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D66, M1;M8