LINDBERG, Gunnar. Recent progress in the measurement of external costs and implications for transport pricing reforms. European Journal of Transport and Infrastructure Research, [S. l.], v. 3, n. 4, 2003. DOI: 10.18757/ejtir.2003.3.4.4249. Disponível em: https://journals.open.tudelft.nl/ejtir/article/view/4249. Acesso em: 2 may. 2024.