@book{529981,
	author = {Balducci, Patrick. and Stowers, Joseph R. and National Research Council (U.S.).},
	title = {State highway cost allocation studies /},
	publisher = {Transportation Research Board,},
	year = {2008.},
	series = {NCHRP synthesis,},
	address = {Washington, D.C. :},
	note = {At head of title: National Cooperative Highway Research Program.},
	url = {http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_syn_378.pdf}
}