Gupta J B.  <br/><br/>
Pulse and digital 

 - 1st edition. 
 - New delhi :   Katson Books S K Katariya   2010 
 - 558.  
<br/><br/><label>ISBN: </label>81-88458-87-2  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>621.3815633  / GUP