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The relationship between fare and travel distance
Jørgensen, Finn, (2007)
Spatial economic science : new frontiers in theory and methodology ; with 26 tables
Reggiani, Aura, (2000)
Combined model of interregional commodity flows on a transportation network
Boyce, David E., (2002)
An overview of public transport reforms in Great Britain and forecasts for the future
Preston, John, (2001)
Big and small is beautiful : the emerging organisation of the Pan-European bus industry
Preston, John, (1999)