Research problem statements

Detalles Bibliográficos
Autor Corporativo:	National Research Council (U.S.). Transportation Research Board. Traffic Control Devices Committee
Formato:	Libro
Lenguaje:	English
Publicado:	Washington, DC Transportation Research Board, National Academy of Sciences [1983]
Colección:	Transportation research circular Number 263
Materias:	Traffic signs and signals > Research. Electronic traffic controls > Research.