subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. ΑΝΘΡΩΠΙΣΤΙΚΕΣ ΕΠΙΣΤΗΜΕΣ ΚΑΙ ΤΕΧΝΕΣ__elauthor: Pagourtzis, Aristeidis_or_Cheliotis, Dimitrios_or_Bratsos, Athanasios