1. Exploration Geophysics Laboratory; Aristotle University; Thessaloniki Greece
2. Mineral Resources Research Division; Korea Institute of Geoscience and Mineral Resources; Daejeon South Korea
3. Directorate for the Restoration of Ancient Monuments, Hellenic Ministry of Culture; Athens Greece
4. Retired Head of the Eforeia of Antiquities of Seres Hellenic Ministry of Culture; Serres Greece