Hopcroft, John E. <br/><br/>
Introduction to automata theory, languages, and computation / 
by. John E. Hopcroft. 
 - 2nd ed. 
 - New Delhi :  Pearson Education (Singapore),  c2001. 
 - 534 p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8178083477 :  Ksh.4,700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computational complexity.<br/>Formal language.<br/>Machine theory.
<br/><br/><label>LC Class. No.: </label>QA267  / .H56