1.

図書

図書
Committee on Research Priorities and Coordination in Highway Infrastructure and Operations Safety, Transportation Research Board of the National Academies
出版情報: Washington, D.C. : Transportation Research Board, 2008
シリーズ名: Special report (National Research Council (U.S.). Transportation Research Board) ; 292
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2.

図書

図書
National Research Council (U.S.). Transportation Research Board
出版情報: Washington, D.C. : Transportation Research Board, National Research Council, 1990
シリーズ名: Special report (National Research Council (U.S.). Transportation Research Board) ; 229
Strategic transportation research study ; highway study
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