Linz, Peter. An introduction to formal languages and automata / Peter Linz. - 4th ed. - New Delhi : Narosa Publishing House , 2006. - xi, 410p. : Pict., tables ; 18cm . Includes bibliographical references and index. ISBN: 9788173197819 Rs. 240.00 (Pb) Subjects--Topical Terms: AUTOMATA THEORY Dewey Class. No.: 511.3 LIN/I