Changing the cost of travel por Bly, P. H.

Rail and air travel between London and Scotland analysis of competition using Box-Jenkins methods

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Demand for bus travel the effects of service and fare changes in Gosport and Fareham por Layfield, R. E.

Transport realities and planning policy studies of friction and freedom in daily travel por Hillman, Mayer

The modal split the relevance of American experience for Britain por Williams, David G.