Mishra, K. L.P. Chandrasekaran, N. Theory of Computer Science: (Automata, Languages and Computation) - 2 - New Delhi Prentice Hall of India 2004 - p.304 ISBN: 9788120312715 Subjects--Topical Terms: Automata Pushdown Computability Machine Model Dewey Class. No.: 621.38195 M67T