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European Conference of Ministers of Transport. Round Table on Transport Economics, European Conference of Ministers of Transport. Economic Research Centre, & European Conference of Ministers of Transport. Transport Research Centre. (2007). Report of the One hundred and thirty fifth Round Table on Transport Economics on the following topic: Transport infrastructure charges and capacity choice, self-financing road maintenance and construction. European Conference of Ministers of Transport, Economic Research Centre.

European Conference of Ministers of Transport. Round Table on Transport Economics, European Conference of Ministers of Transport. Economic Research Centre, ja European Conference of Ministers of Transport. Transport Research Centre. Report of the One Hundred and Thirty Fifth Round Table on Transport Economics on the Following Topic: Transport Infrastructure Charges and Capacity Choice, Self-financing Road Maintenance and Construction. Paris: European Conference of Ministers of Transport, Economic Research Centre, 2007.

European Conference of Ministers of Transport. Round Table on Transport Economics, et al. Report of the One Hundred and Thirty Fifth Round Table on Transport Economics on the Following Topic: Transport Infrastructure Charges and Capacity Choice, Self-financing Road Maintenance and Construction. European Conference of Ministers of Transport, Economic Research Centre, 2007.

European Conference of Ministers of Transport. Round Table on Transport Economics, European Conference of Ministers of Transport. Economic Research Centre & European Conference of Ministers of Transport. Transport Research Centre. 2007. Report of the One hundred and thirty fifth Round Table on Transport Economics on the following topic: Transport infrastructure charges and capacity choice, self-financing road maintenance and construction. Paris: European Conference of Ministers of Transport, Economic Research Centre.