GEURS, K. T.; ÖSTH, J. Advances in the Measurement of Transport Impedance in Accessibility Modelling. European Journal of Transport and Infrastructure Research, [S. l.], v. 16, n. 2, 2016. DOI: 10.18757/ejtir.2016.16.2.3138. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/3138. Acesso em: 6 dec. 2021.