Nagrath, I J <br/><br/>
Control Systems Engineering 
/ by  I J Nagrath,  Gopal M 
 - 4th ed.  
 - New Delhi:  New Age International,  2005. 
 - xiii,843p. 
<br/><br/><label>ISBN: </label>8122417000 
<br/><br/><label>Dewey Class. No.: </label>620.0011  / NAG/C