Hopcroft, John E., <br/><br/>
Introduction to automata theory, languages, and computation  
John E. Hopcroft 
 - New Delhi  Narosa  1979 
 - xii, 418p.  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>8185015961 
<br/><br/><label>Subjects--Index Terms: </label>Machine theory  Formal languages  Computational complexity. 
<br/><br/><label>Dewey Class. No.: </label>681.3.062  / HOP