Dorf, Richard C. <br/><br/>
Modern control systems / 
Richard C. Dorf [and] Robert H. Bishop. 
 - 9th ed. 
 - Upper Saddle River :  Prentice Hall,  2001. 
 - xxiii, 831 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0130306606 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Feedback control systems.<br/>Control theory.