@book{470,
	author = {Kumar, P.R.},
	title = {Discrete event systems, manufacturing systems, and communication networks /},
	publisher = {Springer Verlag,},
	year = {c1995.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0815/95012905-d.html}
}