European Conference of Ministers of Transport. (1999). Report of the hundred and tenth Round Table on Transport Economics, held in Paris on 12th-13th March 1998 on the following topic: Traffic congestion in Europe. Economic Research Centre.
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Chicago-referens (17:e uppl.)
European Conference of Ministers of Transport. Report of the Hundred and Tenth Round Table on Transport Economics, Held in Paris on 12th-13th March 1998 on the Following Topic: Traffic Congestion in Europe. Paris, France: Economic Research Centre, 1999.
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MLA-referens (9:e uppl.)
European Conference of Ministers of Transport. Report of the Hundred and Tenth Round Table on Transport Economics, Held in Paris on 12th-13th March 1998 on the Following Topic: Traffic Congestion in Europe. Economic Research Centre, 1999.
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