Hopcroft, John E. Ullman, Jeffery D. <br/><br/>
Introduction to Automata Theory, Languages and Computation 

 - New Delhi  Narosa Publishing House  1979 
 - p.418 
<br/><br/><label>ISBN: </label>9788185015965 
<br/><br/><label>Subjects--Topical Terms: </label> Finate Automata  Turing Machines  Context-Free Language  Chomsky Hierarchy 
<br/><br/><label>Dewey Class. No.: </label>621.38194 M262