Dorf, Richard C. <br/><br/>
Modern control systems / 
Richard C. Dorf. 
 - 3rd ed. 
 - Reading, Mass. :  Addison-Wesley,  1980. 
 - xiv, 493 p. :  ill. ;  24 cm. 
 - Addison-Wesley series in electrical engineering .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0201012588 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Feedback control systems.