KLAPCHUK, V. Extraction of oil and gas in Guzulshchyna at the second half of XIX - the first third of XX centuries. Skhid, [S. l.], n. 5(125), 2013. DOI: 10.21847/1728-9343.2013.5(125).19055. Disponível em: https://skhid.kubg.edu.ua/article/view/19055. Acesso em: 29 mar. 2024.