collection: 2subjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Spyropoulos, Vasileios_or_Bratsos, Athanasios_or_Cheliotis, Dimitrios