1. All cause mortality associated with physical activity during leisure time, work, sports, and cycling to work;Andersen;Archives of Internal Medicine,2000
2. Ottawa-Carleton Commuter Cyclist On- and Off-road incident rates;Aultman-Hall;Accident Analysis and Prevention,1998
3. Bickel, P., Friedrich, R., Burgess, A., Fagiani, P., Hunt, A., De Jong, G., Laird, J., Lieb, C., Lindberg, G., Mackie, P., Navrud, S., Odgaard, T., Ricci, A., Shires, J., Tavasszy, L., 2006. Proposal for Harmonised Guidelines; HEATCO, deliverable 5; February 2006; p. 193.
4. BRSI, Belgian Road Safety Institute, 2006. Cycling accidents in an urban context: three years (1998–2000) of casualties along the regional roads of the Brussels capital region; available online at: http://www.ibsr.be (in French/Dutch).
5. BRSI, Belgian Road Safety Institute, 2009. Evolution of traffic safety in Belgium (2000–2007); http://bivvweb.ipower.be/Observ/NL/evolutie%20van%20de%20VV%202007_nl.pdf (in French/Dutch); p. 46.