National Research Council (U.S.). Highway Research Board, United States. Federal Highway Administration, & American Association of State Highway Officials. (1972). Telecommunications systems for highway administration and operations.

National Research Council (U.S.). Highway Research Board, United States. Federal Highway Administration, and American Association of State Highway Officials. Telecommunications Systems for Highway Administration and Operations. [Washington], 1972.

National Research Council (U.S.). Highway Research Board, et al. Telecommunications Systems for Highway Administration and Operations. 1972.