@book{109,
	author = {Chou, Wu.},
	title = {Pattern recognition in speech and language processing /},
	publisher = {CRC Press,},
	year = {2003.},
	address = {Boca Raton :},
	url = {http://www.loc.gov/catdir/enhancements/fy0646/2002191163-d.html}
}