J.W. Dijkstra, J.L.M. Vrancken: A PPP-approach to video traffic information, using a rapid development methodology, ITS Congress 2008, Geneva, Switzerland.

J.W. Dijkstra, P.C. van der Laag: Low-emission Auxiliary Power Unit Alternatives for Maritime Applications. World Hydrogen Technology Convention 2009, New Delhi, India 

J.W. Dijkstra, J.L.M. Vrancken: A Modular Architecture Enabling Provider Independent, State-of-the-Art Travel Time Prediction Service Quality, ITS World Congress 2009, Stockholm, Sweden.

J.W. Dijkstra, T.C. van den Bosch: Design Constraints and Verification Criteria for Future Car Navigation Sevices in a Network Management Environment. ITS ITS Congress 2011, Lyon, France