1.

図書
図書
1. Transportation investments in response to economic downturns
Committee on Economic and Employment Benefits of Transportation investments in response to economic downturns
出版情報: Washington, D.C : Transportation Research Board, 2014
シリーズ名: Special report / Transportation Research Board, National Research Council ; 312
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2.

図書
図書
2. The federal aviation administration's approach for determining future air traffic controller staffing needs
Committee for a study of federal aviation administration air traffic controller staffing, transportation research board
出版情報: Washington, D.C : Transportation Research Board, 2014
シリーズ名: Special report / Transportation Research Board, National Research Council ; 314
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3.

図書
図書
3. Framing surface transportation research for the nation's future
Committee on National Research Frameworks, Application to Transportation
出版情報: Washington, D.C : Transportation Research Board, 2014
シリーズ名: Special report / Transportation Research Board, National Research Council ; 313
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