Traffic signals 5 reports ; prepared for the 52nd annual meeting.

Traffic signals 5 reports ; prepared for the 52nd annual meeting.

Podrobná bibliografie
Korporativní autor: National Research Council (U.S.). Highway Research Board
Médium: Kniha
Jazyk:English
Vydáno: Washington, D.C. Highway Research Board, National Research Council 1973.
Edice:Highway research record no. 445.
Témata:
Traffic signs and signals.
Electronic traffic controls.