Gopal, M. <br/><br/>
Digital control and state variable methods / 

 - 2nd.  
 - New Delhi,  Tata McGraw Hill,  c2007. 
 - xvi, 998 p. ;  ill. ;  22 cm.  
<br/><br/><label>ISBN: </label>9780070483026 
<br/><br/><label>Dewey Class. No.: </label>629.895