NIKITINA, Ludmiła. Nord Stream and South Stream as innovative projects, their impact on the energy sector environment and policies of the European Union. Rocznik Integracji Europejskiej, [S. l.], n. 8, p. 377–388, 2014. DOI: 10.14746/rie.2014.8.26. Disponível em: https://pressto.amu.edu.pl/index.php/rie/article/view/562. Acesso em: 1 maj. 2024.