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Dyfyniad Arddull ChicagoNational Research Council (U.S.). Transportation Research Board and National Research Council (U.S.). Transportation Research Board. Meeting. Data and Information Technology. Washington, D.C: Transportation Research Board, National Academy of Sciences, 2004.
Dyfyniad MLANational Research Council (U.S.). Transportation Research Board and National Research Council (U.S.). Transportation Research Board. Meeting. Data and Information Technology. Transportation Research Board, National Academy of Sciences, 2004.