Traffic research problem statements presented at the 31st annual meeting, January 14-18, 1952.

Traffic research problem statements presented at the 31st annual meeting, January 14-18, 1952.

Podrobná bibliografie
Korporativní autor: National Research Council (U.S.). Highway Research Board
Médium: Kniha
Jazyk:English
Vydáno: Washington, D.C. Highway Research Board 1952.
Témata:
Traffic regulations > Congresses.