1.

図書
図書
1. Should intercity bus drivers be allowed to use CB radios?
National Research Council (U.S.). Transportation Research Board
出版情報: Washington, D.C. : Transportation Research Board, National Research Council, 1984
シリーズ名: Special report (National Research Council (U.S.). Transportation Research Board) ; 205
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2.

図書
図書
2. Twin trailer trucks : effects on highways and highway safety
National Research Council (U.S.). Transportation Research Board
出版情報: Washington, D.C. : Transportation Research Board, National Research Council, 1986
シリーズ名: Special report (National Research Council (U.S.). Transportation Research Board) ; 211
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