Linz, Peter.  <br/><br/>
An introduction to Formal Languages and Automata 
Peter, Linz 
 - 3rd ed. 
 - New Delhi :  Narosa Publishing House,  c2002. 
 - xi, 410 p.:  [59] 
<br/><br/><label>ISBN: </label>8173194602 
<br/><br/><label>Dewey Class. No.: </label>005.131  / LIN/INT