KANDUČ, T.; MARKIČ, M. Isotopic composition of carbon (δ13C) and nitrogen (δ15N) of petrologically different Tertiary lignites and coals. Geologija, [S. l.], v. 67, n. 1, p. 105–128, 2024. DOI: 10.5474/geologija.2024.006. Disponível em: https://www.geologija-revija.si/index.php/geologija/article/view/1887. Acesso em: 13 aug. 2025.