Communications and emergency services 6 reports.

Communications and emergency services 6 reports.

Bibliografiske detaljer
Corporate Authors: National Research Council (U.S.). Highway Research Board. Committee on Communications, National Research Council (U.S.). Highway Research Board. Committee on Motorist Services
Format: Bog
Sprog:English
Udgivet: Washington, D.C. Highway Research Board, National Research Council c1971.
Serier:Highway research record no. 358.
Fag:
Transportation > Congresses.
Emergency communication systems > Congresses.