OIKONOMOPOULOS, I.; PERRAKI, T.; KAOURAS, G.; ANTONIADIS, P. MINERALOGICAL STUDY OF INORGANIC INTERCALATED SEAMS AT ACHLADA LIGNITE DEPOSITS (NW GREECE). Bulletin of the Geological Society of Greece, [S. l.], v. 40, n. 2, p. 906–917, 2007. DOI: 10.12681/bgsg.16744. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/16744. Acesso em: 26 apr. 2024.