Nagpal, R.D. <br/><br/>
Vadyut mapan  aur mapan yantra / 
R.D. Nagpal  
 - New Delhi :   Standard publishers and distributors ,  2010. 
 - 492 p. ;  22 cm.  
<br/><br/><label>ISBN: </label>8180140822 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic instruments
<br/><br/><label>Dewey Class. No.: </label>621.381043  / NAG/V