Athanasios Liaropoulos 1, Kalliopi Sapountzaki 1, Zoe Nivolianitou 2
1 Department of Geography, Harokopio University, 70, El. Venizelou Str., Post Box: 17671, Kallithea, Greece, 2 System Reliability & Industrial Safety Lab, Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Centre of Scientific Research ‘Demokritos’,
Terma Patriarchou Grigoriou & Neapoleos, 15310, Ag. Paraskevi, Greece