Nagrath,, I J <br/><br/>
Control systems engineering 

 - 2 
 - New Delhi  New Age International  1981 
 - 725p 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0-85226-605-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control systems