Gopal, M. <br/><br/>
Control systems: principles and design / 
Gopal, M. 
 - 3rd ed. 
 - New Delhi:  Tata McGraw Hill,  2008. 
 - xvii,971p;23cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070482896 
<br/><br/><label>Dewey Class. No.: </label>621.317 GOP