@book{books/aw/HopcroftU79,
	title = {Introduction to Automata Theory, Languages and Computation.},
	author = {John E. Hopcroft and Jeffrey D. Ullman},
	publisher = {Addison-Wesley},
	year = {1979},
	biburl = {http://www.bibsonomy.org/bibtex/2bdb8b84720c534dab7e07f5ced42d9e0/msn},
	description = {dblp},
	isbn = {0-201-02988-X}, date = {2002-01-03},
	keywords = {cites.ref mrefs state.unclassified }
}

@book{HopUll,
	title = {Introduction to Automata Theory, Languages, and Computation},
	address = {Reading, MA},
	author = {John E. Hopcroft and Jeffrey D. Ullman},
	publisher = {Addison-Wesley},
	year = {1979},
	biburl = {http://www.bibsonomy.org/bibtex/28f8a51b29a0c30983cc3e76645678a53/nlp},
	keywords = {2000 book nlp }
}

@book{hopcroft1979a,
	title = {Introduction to Automata Theory, Languages, and Computation},
	author = {J. Hopcroft and J. Ullman},
	publisher = {Ad{\-d}i{\-s}on-Wes{\-l}ey, Reading, MA, USA},
	year = {1979},
	biburl = {http://www.bibsonomy.org/bibtex/260eba8dcdee733097ccb680ec5bab28d/snowball},
	keywords = {imported }
}

@book{books/aw/HopcroftU79,
	title = {Introduction to Automata Theory, Languages and Computation.},
	author = {John E. Hopcroft and Jeffrey D. Ullman},
	publisher = {Addison-Wesley},
	year = {1979},
	biburl = {http://www.bibsonomy.org/bibtex/2bdb8b84720c534dab7e07f5ced42d9e0/dblp},
	description = {dblp},
	isbn = {0-201-02988-X}, date = {2002-01-03},
	keywords = {dblp }
}