Research problem statements operation and maintenance of transportation facilities.

Research problem statements operation and maintenance of transportation facilities.

すべてのバージョン（3件）を表示する
書誌詳細
団体著者: National Research Council (U.S.). Highway Research Board
フォーマット: 図書
言語:English
出版事項: Washington, D.C. Highway Research Board, National Research Council [1972]
シリーズ:Highway Research Circular no. 131.
主題:
Highway safety > Research.
Traffic Measurement > Research.
Traffic control and operations > Research.