Conference on Multidisciplinary Education in Transportation University of Pennsylvania, National Research Council (U.S.). Highway Research Board, & University of Pennsylvania. Transportation Studies Center. (1974). Multidisciplinary education in transportation: Proceedings of a conference conducted by the Highway Research Board September 7 and 8, 1973, at the University of Pennsylvania, Philadelphia, and cosponsored by the Transportation Studies Center, University of Pennsylvania, in cooperation with the 1907 Foundation. Transportation Research Board, National Research Council.

Conference on Multidisciplinary Education in Transportation University of Pennsylvania, National Research Council (U.S.). Highway Research Board, a University of Pennsylvania. Transportation Studies Center. Multidisciplinary Education in Transportation: Proceedings of a Conference Conducted by the Highway Research Board September 7 and 8, 1973, at the University of Pennsylvania, Philadelphia, and Cosponsored by the Transportation Studies Center, University of Pennsylvania, in Cooperation with the 1907 Foundation. Washington: Transportation Research Board, National Research Council, 1974.

Conference on Multidisciplinary Education in Transportation University of Pennsylvania, et al. Multidisciplinary Education in Transportation: Proceedings of a Conference Conducted by the Highway Research Board September 7 and 8, 1973, at the University of Pennsylvania, Philadelphia, and Cosponsored by the Transportation Studies Center, University of Pennsylvania, in Cooperation with the 1907 Foundation. Transportation Research Board, National Research Council, 1974.