NERETNIEKS, Karlis. Strategic Challenges in the Baltic Sea Region: Russia, Deterrence and Reassurance. Nordisk Østforum, [S. l.], v. 33, p. 63–65, 2019. DOI: 10.23865/noros.v33.1692. Disponível em: https://tidsskriftet-nof.no/index.php/noros/article/view/1692. Acesso em: 18 apr. 2024.