ERDENETSOGT, B.-O.; KO, Y.-J.; LEE, I. Preliminary results of the solid-state C-13 NMR study of Mongolian coals: Implications for oil and gas potential and liquefaction reactivity. Geological Issues, [S. l.], v. 16, n. 1, p. 96–108, 2023. Disponível em: https://journal.num.edu.mn/geology/article/view/2263. Acesso em: 23 oct. 2024.