1. Demand for suburban railway services in Spain;Asensio,1999
2. Intermodal competition on inter-urban rail;Bel;International Journal of Transport Economics,1995
3. Marshallian demands of intercity passenger transport in Spain: 1980–1992. An economic analysis;Coto-Millan;Transportation Research E,1997
4. The demand for public transport: some estimates from Zurich;Fitzroy;International Journal of Transport Economics,1994
5. The demand for rail transport in European countries;FitzRoy;Transport Policy,1995