National Research Council (U.S.). Highway Research Board. (1974). Interactive graphics and transportation system planning: 7 reports prepared for the 53rd Annual Meeting of the Highway Research Board. Transportation Research Board, National Research Council.

National Research Council (U.S.). Highway Research Board. Interactive Graphics and Transportation System Planning: 7 Reports Prepared for the 53rd Annual Meeting of the Highway Research Board. Washington: Transportation Research Board, National Research Council, 1974.

National Research Council (U.S.). Highway Research Board. Interactive Graphics and Transportation System Planning: 7 Reports Prepared for the 53rd Annual Meeting of the Highway Research Board. Transportation Research Board, National Research Council, 1974.