Hopcroft, John E., <br/><br/>
Introduction to Automata Theory, Languages and Computation 
John E. Hopcroft, Rajeev, Motwani & Jeffrey D. Ullman. 
 - 3rd ed. 
 - New Delhi :  Pearson Education Pte. Ltd.,  c2008. 
 - 533 p.:  ill.; 
<br/><br/><label>ISBN: </label>8131714292 
<br/><br/><label>Dewey Class. No.: </label>005.131  / HOP/INT