Dorf, Richard C. and Bishop, Robert H. <br/><br/>
Modern control systems 
Dorf, Richard C. and Bishop, Robert H. 
 - 8th ed. 
<br/><br/><label>ISBN: </label>9780201308648 
<br/><br/><label>Dewey Class. No.: </label>629.8312  / N98 DOR B