Hüttig, Gerhard; Busch, Wolfgang; Gronak, Norbert - In: Transportation Research Part A: Policy and Practice 28 (1994) 6, pp. 501-509
The future development of European air traffic will be characterized by profound structural changes in the economic and political framework in which air transport is presently taking place. Therefore, it is difficult to estimate future demand figures which are necessary to plan the future...
