1. Aggregate characteristics of urban transportation;Barber,1986
2. The regional impact of the TGV;Bonnafous;Transportation,1987
3. Urban agglomerations in European infrastructure networks;Bruinsma;Urban Studies,1993
4. The accessibility of European cities: theoretical framework and comparison approaches;Bruinsma;Environment and Planning A,1998
5. Campenon, G., 1995. 2nd report of the working group of the European Commission High-Speed Europe. In: Paper presented at the PTRC, Proceedings of Seminar A, Pan-European Transport Issues, Warwick, pp. 53–60