[1]
Χαλάστρα Κ., Κολοβός Ν. and Μανολιάδης Ο. 2004. STUDY OF THE HARD FORMATIONS OF SOUTHERN FIELD MINE OF WESTERN MACEDONIA LIGNITE CENTER FOR 2003-2009. Bulletin of the Geological Society of Greece. 36, 1 (Jan. 2004), 292–299. DOI:https://doi.org/10.12681/bgsg.16647.