Nagrath, I. J. <br/><br/>
Control system engineerng 

 - 4th ed. 
 - Delhi  New Age International  2005 
 - xiii,842 p. 
<br/><br/> Include Index & Bibliography 
<br/><br/><label>ISBN: </label>8122417000 
<br/><br/><label>Dewey Class. No.: </label>TBB D6,77 L5,P5;3