National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Committee on Characteristics of Traffic Flow, & National Research Council (U.S.). Highway Research Board. Committee on Parking. (1969). Parking: 2 reports. National Academy of Science - National Research Council.
Dyfyniad Arddull ChicagoNational Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Committee on Characteristics of Traffic Flow, and National Research Council (U.S.). Highway Research Board. Committee on Parking. Parking: 2 Reports. Washington, D.C: National Academy of Science - National Research Council, 1969.
Dyfyniad MLANational Research Council (U.S.). Highway Research Board, et al. Parking: 2 Reports. National Academy of Science - National Research Council, 1969.