Phillips, Charles L. <br/><br/>
Feedback control systems /  Charles L. Phillips, John M. Parr 

 - 5th ed. 
 - Boston :  Prentice Hall,  c2011 
 - x, 774 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780131866140 0131866141 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Feedback control systems