PFOSER, S.; JUNG, E.; PUTZ, L.-M. Same river same rules? – Administrative barriers in the Danube countries. Journal of Sustainable Development of Transport and Logistics, [S. l.], v. 3, n. 3, p. 27–37, 2018. DOI: 10.14254/jsdtl.2018.3-3.2. Disponível em: https://jsdtl.sciview.net/index.php/jsdtl/article/view/60. Acesso em: 16 jul. 2026.