@book{19797,
	author = {Arbib, Michael A. and George Forsythe},
	title = {Theories of Abstract Automata},
	publisher = {Prentice-Hall},
	year = {1969},
	series = {Prentice-Hall series in Automatic computation},
	address = {Englewood cliffs, N.J.},
	note = {Includes Bibliography and index}
}