LEWIS, H.R. & PAPADIMITRIOU, C.H. ELEMENTS OF THE THEORY OF COMPUTATION - 2nd ed. - INDIA : PRENTICE HALL 1998 - 361 p. ISBN: 0008120322339 Subjects--Topical Terms: COMPUTER SCIENCE : AUTOMATA : FORMAL LANGUAGES Dewey Class. No.: 005.131 / L28