subjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Kroupis, Christos_or_Tsotsou, Georgia Eleni_or_Spyropoulos, Vasileios_or_Eleftheriadis, Ioannis