1. John E. Hopcroft, Rajeev Motwani, and Jeffrey D. Ullman. Introduction to automata theory, languages, and computation. Addison-Wesley, Boston, 2nd edition, 2001.
   Note: 00064608 John E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman. Includes bibliographical references (p. 510-511) and index.
   Keywords: theory of computation, computational complexity, honours reading. [bibtex-entry]



2. John E. Hopcroft and Jeffrey D. Ullman. Introduction to automata theory, languages, and computation. Addison-Wesley, Reading, Mass., 1979.
   Note: John E. Hopcroft, Jeffrey D. Ullman. ill. ; 24 cm. Includes index.
   Keywords: theory of computation, computational complexity, honours reading. [bibtex-entry]

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