Janssen, Bas, et al. “Behaviour of Cyclists and Pedestrians Near Right Angled, Sloped and Levelled Kerb Types: Do Risks Associated to Height Differences of Kerbs Weigh up Against Other Factors?”. European Journal of Transport and Infrastructure Research, vol. 18, no. 4, Sept. 2018, doi:10.18757/ejtir.2018.18.4.3254.