Schwarzenbach, John. <br/><br/>
Essentials of control 
John Schwarzenbach. 
 - Essex, England  Longman  1996. 
 - 126p.  ill.  25cm. 
<br/><br/><label>ISBN: </label>0582273471 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Automatic control.<br/>Control theory.