КОВАЛЬСЬКИЙ, В.С.; ЗУБЧЕНКО, О.М.; БОГУСЛАВ, М.В. Oil shale for energy chemistry ukraine. Proceedings of National Aviation University (archive), [S. l.], v. 28, n. 2, p. 139–144, 2006. DOI: 10.18372/2306-1472.28.1327. Disponível em: https://jrnl.kai.edu.ua/index.php/visnik/article/view/1327. Acesso em: 10 oct. 2026.