AL HASANAT, H.; SCHUCHMANN, G. Critical Gap in Roundabouts – A Short Comparison of Estimation Methods. Periodica Polytechnica Transportation Engineering, [S. l.], v. 50, n. 3, p. 273–278, 2022. 10.3311/PPtr.18632. Disponível em: https://pp.bme.hu/tr/article/view/18632. Acesso em: 11 aug. 2022.