Hopcroft, John E., Introduction to Automata Theory, Languages and Computation John E. Hopcroft, Rajeev, Motwani & Jeffrey D. Ullman. - 3rd ed. - New Delhi : Pearson Education Pte. Ltd., c2008. - vii, 487 p.: ill.; ISBN: 9788131720479 Dewey Class. No.: 005.131 / HOP/INT