subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS__enauthor: Spyropoulos, Vasileios_or_Nikolaidis, Nikolaos_or_Slini, Theodora_or_Ntziachristos, Leonidas_or_Mousiopoulos, Nikolaos