subjectTerm: VI. HUMANITIES AND ARTS_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Papaioannou, Angelos_or_Fountzoula, Christina_or_Paraskevas, Michail_or_Plageras, Panagiotis_or_Spyropoulos, Vasileios_or_Τουμπής, Σταύρος__el