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.

Dades bibliogràfiques
Autor corporatiu: National Research Council (U.S.). Highway Research Board
Format: Llibre
Idioma:English
Publicat: Washington, D.C. Highway Research Board 1952.
Matèries:
Traffic regulations > Congresses.