type: 7author: Palios, Leonidas_or_Toumpis, Stavros_or_Cheliotis, Dimitrios_or_Mavridis, Ioannis_or_Nikolopoulos, Stavros_or_Bratsos, AthanasiossubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY__en