Dorf, Richard C. <br/><br/>
Modern control systems / 
Richard C. Dorf, Robert H. Bishop 
 - 12th ed. 
 - Upper Saddle River, New Jersey :  Pearson,  c2011 
 - xxi, 1082 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780136024583 0136024580 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Feedback control systems