An introduction to formal languages and automata / Peter Linz. Linz, Peter. Formal languages. Machine theory. QA267.3 .L56 2006 511.3 22 LII Includes bibliographical references (p. 409) and index. Sudbury, Mass. : Jones and Bartlett Publishers, c2006. c2006. 2006 Text xiii, 415 p. : http://www.loc.gov/catdir/toc/fy0607/2005032046.html eng