@book{816,
	author = {Hopcroft, John E., and Motwani, Rajeev.},
	title = {Introduction to automata theory, languages, and computation /},
	publisher = {Addison-Wesley ;},
	year = {c2001.[Reprinted]},
	address = {Singapore :},
	edition = {2nd ed.},
	note = {Includes index.}
}