Gopal, M.  <br/><br/>
Digital control engineering / 

 - New Delhi,  New Age International,  c2006. 
 - xii, 535 p. ;  ill. ;  24 cm.  
<br/><br/><label>ISBN: </label>0852263082 
<br/><br/><label>Dewey Class. No.: </label>629.819