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