National Research Council (U.S.). Transportation Research Board. (1997). Information needs to support state and local transportation decision making into the 21st century: Proceedings of a conference, Irvine, California, March 2-5, 1997. National Academy Press.

National Research Council (U.S.). Transportation Research Board. Information Needs to Support State and Local Transportation Decision Making into the 21st Century: Proceedings of a Conference, Irvine, California, March 2-5, 1997. Washington, D.C.: National Academy Press, 1997.

National Research Council (U.S.). Transportation Research Board. Information Needs to Support State and Local Transportation Decision Making into the 21st Century: Proceedings of a Conference, Irvine, California, March 2-5, 1997. National Academy Press, 1997.