type: 7author: Papaioannou, Angelos_or_Spyropoulos, Vasileios_or_Lianos, Theodoros_or_Michalopoulos, Andreas_or_Georgopoulos, AntoniossubjectTerm: VI. HUMANITIES AND ARTS_or_V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES