subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Skianis, Charalampos_or_Alissandrakis, Constantine_or_Vougioukas, Dimosthenis_or_Chasapis, Dimitrios_or_Patsourakos, Spyros