National Research Council (U.S.). Transportation Research Board. Committee on Operational Effects of Geometrics. (1984). 1984 Research problem statements: Operational effects of geometrics. Transportation Research Board, National Academy of Sciences.
Cita Chicago (17th ed.)National Research Council (U.S.). Transportation Research Board. Committee on Operational Effects of Geometrics. 1984 Research Problem Statements: Operational Effects of Geometrics. Washington, DC: Transportation Research Board, National Academy of Sciences, 1984.
Cita MLA (9th ed.)National Research Council (U.S.). Transportation Research Board. Committee on Operational Effects of Geometrics. 1984 Research Problem Statements: Operational Effects of Geometrics. Transportation Research Board, National Academy of Sciences, 1984.