Linz,Peter. <br/><br/>
Introduction to formal languages and automata  

 - 2nd edition. 
 - New Delhi :  Narosa Pub House,  2007 
 - 377. 
<br/><br/><label>ISBN: </label>8173192243  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer programmingprograms data
<br/><br/><label>Dewey Class. No.: </label>005.1  / LIN