Dorf, Richard C. <br/><br/>
Modern control systems / 
Richard C. Dorf, Robert H. Bishop. 
 - 12th ed. 
 - Upper Saddle River, NJ. :  Prentice Hall,  2011. 
 - xxi, 1082 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780136024583 (hbk.)  RM514.54 0136024580 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Feedback control systems.