Urban transportation planning in the United States : history, policy, and practice
Historical analogs for the stimulation of space commerce
Determinants of transport mode choice: a comparison of Germany and the USA
Nordamerikanische Eisenbahnen : ihre Verwaltung und Wirtschaftsgebarung
Assessing satellite-based start-of-season trends in the US High Plains
Urban transportation planning in the United States : an historical overview
Ein quasi-geostrophisches Strömungsmodell zur Auswertung von Satelliten-Altimeterdaten
Historical analogs for the stimulation of space commerce