BUTLER, Graham. A Political Decision Disguised as Legal Argument? Opinion 2/13 and European Union Accession to the European Convention on Human Rights. Utrecht Journal of International and European Law, Utrecht, v. 31, n. 81, p. 104–111, 2015. DOI: 10.5334/ujiel.df. Disponível em: https://utrechtjournal.org/article/view/26035. Acesso em: 28 jul. 2026.