SIAVALAS, G.; TSOMPANIDOU, E.; KALAITZIDIS, S.; BOUZINOS, A.; Christanis Κ. EARLY STAGES OF LIGNITE FORMATION IN PTOLEMAIS BASIN: A COAL-PETROGRAPHIC APPROACH. Bulletin of the Geological Society of Greece, [S. l.], v. 36, n. 1, p. 334–341, 2004. DOI: 10.12681/bgsg.16678. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/16678. Acesso em: 20 dec. 2024.