B. Rüger, D. Tuna:
"Influence of railway interiors on dwell time and punctuality";
Talk: Railway Interiors Expo 2008, Amsterdam (invited); 2008-11-04 - 2008-11-06; in: "Railway Interiors Expo 2008 Open Technology Forum", (2008).
http://www.ukintpress-conferences.com/conf/08rail_conf/pdf/Day_1/Bernhard_Ruger.pdf
Project Head Norbert Ostermann:
Analyse von Fahrgastverhalten