Μπιρμπίλη Μ., Χρηστάνης Κ., Λαμπράκης Ν. and Καρύτσας Κ. 2004. STUDY ON THE EXPLOITATION POSSIBILITY OF THE THERMA-NIGRITA GEOTHERMAL FIELD (PREFECTURE OF SERRES). Bulletin of the Geological Society of Greece. 36, 3 (Jan. 2004), 1182–1191. DOI:https://doi.org/10.12681/bgsg.16461.