Radović, Dunja, Mithun Mohan, and Vuk Bogdanović. “Comparative Analysis of Critical Headway Estimation at Urban Single-Lane Roundabouts”. Promet - Traffic&Transportation 34, no. 2 (April 15, 2022): 323–336. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/3002.