collection: 2subjectTerm: VI. HUMANITIES AND ARTS_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Kroupis, Christos_or_Papathanakos, Georgios_or_Papathanasiou, Athanasios_or_Spyropoulos, Vasileios_or_Michalopoulos, Charilaos