Wilken, Dieter; Berster, Peter and Gelhausen, Marc Christopher (2005): Airport Choice in Germany - New Empirical Evidence of the German Air Traveller Survey 2003. Published in: Proceedings of the 9th Air Transport Research Society World Congress (2005): pp. 1-29.
Berster, Peter; Gelhausen, Marc Christopher and Wilken, Dieter (2009): Business Aviation in Germany: An empirical and model-based analysis. Published in: Proceedings of the 13th Air Transport Research Society (ATRS) World Conference 2009 in Abu Dhabi, United Arab Emirates (2009): pp. 1-19.
