2009 · Jochen Palmer, Hubert Rehborn · 16th ITS World Congress and Exhibition on Intelligent Transport Systems and ServicesITS AmericaERTICOITS Japan · 2
2008 · Jochen Palmer, Hubert Rehborn, et al. · 15th World Congress on Intelligent Transport Systems and ITS America's 2008 Annual MeetingITS AmericaERTICOITS JapanTransCore · 1