Hopcroft, J. E <br/><br/>
Introduction to automata theory, languages and computation 
John E Hopcroft 
 - New Delhi  Narosa Publishing House  1979 
 - xii, 418p. 
<br/><br/><label>ISBN: </label>8185015961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Formal Languages<br/>Machine Theory