Round Table on Transport Economics Paris, France. (1978). Costs and benefits of general speed limits: (maximum and minimum speeds). European Conference of Ministers of Transport.

Round Table on Transport Economics Paris, France. Costs and Benefits of General Speed Limits: (maximum and Minimum Speeds). Paris: European Conference of Ministers of Transport, 1978.

Round Table on Transport Economics Paris, France. Costs and Benefits of General Speed Limits: (maximum and Minimum Speeds). European Conference of Ministers of Transport, 1978.