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2. 2) 佐々木綱: 都市交通計画, 国民科学社, 東京, pp. 75-322, 1974.
3. 3) U. S. Department of Commerce, Bureau of Public Roads: Manual of Procedures for Home Interview Traffic Studies, U. S. Government Printing Office, Washington, D. C., 1944.
4. 4) Weiner, E.: Urban Transportation Planning in the United States, An Historical Overview, Revised Edition, DOT-T-93-02, U. S. Department of Transportation, Washington, D. C., 1992.
5. 5) Dickey, J. W.: Metropolitan Transportation Planning, Second edition, McGraw-Hill, New York, 1983.