Report of the Road Research Board with the report of the Director of Research.
Road Research Board.
Great Britain.Department of Scientific and Industrial Research.
London : H.M. Stationery Office,
Description based on: 1934/1935.
Report for the years 1940-1945 is called: Wartime activities of the Road Research Laboratory.
Issued in conjunction with the Department of Scientific and Industrial Research.
Road Research Board.