REZMER, A. Military expenditure of Poland and the Baltic countries in the 21st century. Europa Orientalis. Studia z Dziejów Europy Wschodniej i Państw Bałtyckich, [S. l.], n. 4, p. 91–102, 2014. DOI: 10.12775/EO.2013.007. Disponível em: https://apcz.umk.pl/EO/article/view/EO.2013.007. Acesso em: 16 sty. 2022.