@book{192941,
	author = {Tourlakis, George J. and ebrary, Inc.},
	title = {Theory of computation},
	publisher = {Wiley,},
	year = {2012.},
	address = {Hoboken, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10560654}
}