Hopcroft, John E. <br/><br/>
Introduction to automata theory, languages and computation 
John E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman. 
 - 2nd. ed.. 
 - New Delhi  Pearson Education  2004 
 - xii, 521p.; 22 cm. 
<br/><br/><label>ISBN: </label>8178083477 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory Formal Languages. 
<br/><br/><label>Dewey Class. No.: </label>005.131  / H81I