Communications and emergency services 6 reports.

Communications and emergency services 6 reports.

書誌詳細
共著者: National Research Council (U.S.). Highway Research Board. Committee on Communications, National Research Council (U.S.). Highway Research Board. Committee on Motorist Services
フォーマット: 図書
言語:English
出版事項: Washington, D.C. Highway Research Board, National Research Council c1971.
シリーズ:Highway research record no. 358.
主題:
Transportation > Congresses.
Emergency communication systems > Congresses.