type: 7author: Karkalousos, Petros_or_Spyropoulos, Vasileios_or_Michalopoulos, Andreas_or_Georgopoulos, Antonios_or_Antoniadis, Ioannis_or_Georgopoulos, Antonios__ensubjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES