subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Spyropoulos, Vasileios_or_Nintos, Alexandros_or_Andrikopoulos, Nikolaos_or_Galanopoulou, Konstantina_or_Varvoglis%2C Charalampos