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Investitionen in die Infrastruktur
Puwein, Wilfried, (1998)
Road Pricing for Heavy Goods Vehicles Transport. Assessing the Economic Impact in a Disaggregated Macroeconometric Model
Kratena, Kurt, (2002)
Transit Across the Alps: the Problem and Approaches Towards a Solution
Puwein, Wilfried, (2006)