Automatic contol system 
Verma S.N 
 - india  Khana publishers   2010 
 - 502p 
<br/><br/><label>ISBN: </label>978-81-906919-2-5-7 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Engineering and Technology
<br/><br/><label>LC Class. No.: </label>TJ21   / .V47 2010