subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS__enauthor: Andrikopoulos, Nikolaos_or_Achilias, Dimitris_or_Varvoglis, Charalampos_or_Eleftheriadis, Ioannis_or_Tsiganis, Kleomenis