[1]
T. Tollazzi, R. Mauro, M. Guerrieri, and M. Rençelj, “Comparative Analysis of Four New Alternative Types of Roundabouts: "Turbo", "Flower", "Target" and "Four-Flyover" Roundabout”, Period. Polytech. Civil Eng., vol. 60, no. 1, pp. 51–60, Jan. 2016.