RUDOLPH, Frederic; MÁTRAI, Tamás. Congestion from a Multimodal Perspective. Periodica Polytechnica Transportation Engineering, [S. l.], v. 46, n. 4, p. 215–221, 2018. 10.3311/PPtr.12048. Disponível em: https://pp.bme.hu/tr/article/view/12048. Acesso em: 28 mar. 2024.