@book{75160,
	author = {Cohen, Daniel I. A.,},
	title = {Introduction to computer theory /},
	publisher = {Wiley,},
	year = {c1991.},
	address = {New York :},
	edition = {2nd ed},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/89070664-d.html}
}