Communications and emergency services 6 reports.

Communications and emergency services 6 reports.

গ্রন্থ-পঞ্জীর বিবরন
সংস্থা লেখক: National Research Council (U.S.). Highway Research Board. Committee on Communications, National Research Council (U.S.). Highway Research Board. Committee on Motorist Services
বিন্যাস: গ্রন্থ
ভাষা:English
প্রকাশিত: Washington, D.C. Highway Research Board, National Research Council c1971.
মালা:Highway research record no. 358.
বিষয়গুলি:
Transportation > Congresses.
Emergency communication systems > Congresses.