Hopcroft, John E., <br/><br/>
Introduction to automata theory, languages, and computation 

 - 3rd ed. 
 - New Delhi:  Narosa Publishing House,  1979. 
 - XII,418P:  21 cm. 
<br/><br/> Bibliography: p. 396-410. Includes index.  
<br/><br/><label>ISBN: </label>8185015961 
<br/><br/><label>Dewey Class. No.: </label>629.8312 HOP