Dorf, Richard C. <br/><br/>
Modern control systems / 
Richard C. Dorf. 
 - Reading, Mass. :  Addison-Wesley,  1967. 
 - 387 p. :  ill. ;  21 cm. 
 - Addison-Wesley world student series .
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Feedback control systems.