subjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Papaioannou, Angelos_or_Spyropoulos, Vasileios_or_Skianis, Charalampos_or_Patsourakos, Spyros_or_Alissandrakis, Constantine_or_Vougioukas, Dimosthenis