MOMMENS, K.; LIER, T. van; MACHARIS, C. Freight demand generation on commodity and loading unit level. European Journal of Transport and Infrastructure Research, [S. l.], v. 17, n. 1, 2017. DOI: 10.18757/ejtir.2017.17.1.3179. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/3179. Acesso em: 28 jan. 2022.