TOLLAZZI, Tomaž, RENČELJ, Marko and TURNŠEK, Sašo, 2011, Roundabout with “depressed” lanes for right turning - “flower roundabout.” In : [online]. Published Scientific Conference Contribution. 2011. [Accessed 17 April 2025]. Retrieved from: http://teachamerica.com/RAB11/RAB11Papers/RAB1116Tollazzi-0130.pdf