Traffic engineering
- [Annual Symposium]. Association for Unmanned Vehicle Systems International (AUVSI
- "Automotive Circle International" Conference
- [Jahrestagung "Kunststoffe im Automobilbau
- 1991 JSAE Spring Convention
- 3-Länder-Korrosionstagung
- 2000 RTCM Annual Assembly Meeting
- 4S Symposium
- [Technical Conference] IRAOO, International Association of Railway Operating Officers