@book{549464,
	author = {T. R. B. N. R. C and National Research Council (U.S.).},
	title = {Geographic information systems 1990.},
	publisher = {Transportation Research Board, National Research Council,},
	year = {1990.},
	series = {Transportation research record ;},
	address = {Washington, D.C. :},
	note = {"Highway and facilities design."}
}