MIKULSKA, Anna. Nord Stream 2: between monopoly and diversification. Sprawy Międzynarodowe, [S. l.], v. 71, n. 4, p. 45–75, 2018. DOI: 10.35757/SM.2018.71.4.03. Disponível em: https://czasopisma.isppan.waw.pl/sm/article/view/216. Acesso em: 17 lip. 2024.