Hadji, S., A. Ouahsine, H. Naceur, and P. Sergent. “Modelling of Transport and Collisions Between Rigid Bodies to Simulate the Jam Formation in Urban Flows”. The International Journal of Multiphysics, vol. 2, no. 3, Sept. 2008, pp. 247-66, doi:10.1260/175095408786927435.