Hopcroft, John E. <br/><br/>
Introduction to automata theory, languages, and computation / 
John E. Hopcroft, Rajeev Motwani and Jeffrey D. Ullman. 
 - 3rd ed. 
 - Delhi :  Pearson Education,  c2008. 
 - xvi, 487 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780321455369 (pbk.) 9788131720479 (pbk.)  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory.<br/>Formal languages.<br/>Computational complexity.
<br/><br/><label>Dewey Class. No.: </label>005.131  / HOP/I