subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Plageras, Panagiotis_or_Patsourakos, Spyros_or_Alissandrakis, Constantine_or_Tsotsou, Georgia Eleni_or_Spyropoulos, Vasileios