ΚΑΛΑΪΤΖΙΔΗΣ Σ.; ΠΑΠΑΖΗΣΙΜΟΥ Σ.; ΧΡΗΣΤΑΝΗΣ Κ. Forming conditions of the Graikas lignite, N. Peloponnese. Bulletin of the Geological Society of Greece, [S. l.], v. 34, n. 3, p. 1195–1204, 2001. DOI: 10.12681/bgsg.17183. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/17183. Acesso em: 5 may. 2024.