Autor
Evropská konference ministrů dopravy
20
European Conference of Ministers of Transport. Council of Ministers. Session
2
Conference on Strategic Environmental Assessment for Transport
1
European Conference of Ministers of Transport (Paris). Economic Research Centre
1
Evropská komise
1
International Symposium on Theory and Practice in Transport Economics
1
Round Table on Transport Economics
1
Seminar on Communication in the Field of Road Safety
1
Seminar on Improving the Contribution of Transport Economics Research to Policymaking
1