WIELOŃSKI, A.; MACHOWSKI, J. The energy security of Poland. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 10, p. 86–92, 2008. DOI: 10.24917/20801653.10.8. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/519. Acesso em: 28 apr. 2024.