Traffic Information in Germany - Public or Private Business?
Traffic-informations and its demand for vehicle-positioning
Mobilitaets-Leasing - Multi-Modale-Mobilitaet und ihre Organisation
Chances of a Private Traffic Information Company in Germany
Driver-Related Traffic-Information Based on Vehicle-Positioning
Untersuchungen zur aktuellen Situation der Verkehrsfunknutzer und ihrer Perspektiven für die Zukunft