KOCIUBIŃSKI, J. Public Service Obligations in Air Transport Sector in the European Union. Polish Review of International and European Law, [S. l.], v. 2, n. 2, p. 81–101, 2013. DOI: 10.21697/priel.2013.2.2.04. Disponível em: https://czasopisma.uksw.edu.pl/index.php/priel/article/view/1131. Acesso em: 19 apr. 2024.