CHANDRASEKHARAN, N MISHRA, KLP <br/><br/>
The Theory Of Computer science : Automata, Languages And Computation 

 - 3rd Ed. 
 -  PHI Learning Pvt. Ltd. ,  2012 
 - 422p 
<br/><br/><label>ISBN: </label>978-81-203-2968 
<br/><br/><label>Dewey Class. No.: </label>4  / MIS/T