1989 · F Nakamura, K Ohta, et al. · TRANSPORT POLICY, MANAGEMENT & TECHNOLOGY TOWARDS 2001 : SELECTED PROCEEDINGS OF THE FIFTH WORLD CONFERENCE ON TRANSPORT RESEARCH · 1
1989 · Tetsuzo Ashizawa, Yoji Niitani, et al. · TRANSPORT POLICY, MANAGEMENT & TECHNOLOGY TOWARDS 2001 : SELECTED PROCEEDINGS OF THE FIFTH WORLD CONFERENCE ON TRANSPORT RESEARCH