8. ADAC/BASt-Symposium 2012 Sicher fahren in Europa : Referate ; 5. Oktober 2012 in Baden-Baden
A Billion trips a day : tradition and transition in European travel patterns
Accessibility analysis and transport planning : challenges for Europe and North America
Accessibility analysis and transport planning : challenges for Europe and North America
A charging infrastructure network for battery electric trucks in Europe
Aeronautical research and technology : strategic imperative for Europe ; position paper
Airline network development in Europe and its implications for airport planning
Air transport : a strong partner for the European economy; European Aviation Summit Salzburg 2006