Gopal, M. <br/><br/>
Digital control and state variable methods :  conventional and intelligent control systems / 
M. Gopal 
 - 4th ed. 
 - New Delhi :  McGraw-Hill Education,  2012 
 - xv, 910 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9780071333276 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital control systems<br/>Intelligent control systems