Nagpal, D. R. <br/><br/>
Vaidyut shakti / 
by D. R. Nagpal 
 - 3rd ed. 
 - New Delhi :  Standard Publishers Distributors,  2003. 
 - 672 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>8186308148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hindi Collection
<br/><br/><label>Dewey Class. No.: </label>621.31  / NAG/V