type: 7author: Zachos, Efstathios_or_Cheliotis, Dimitrios_or_Kiziroglou, Michail_or_Grontas, Panagiotis_or_Pagourtzis, Aristeidis_or_Αντωνιάδης, Ιωάννης__elsubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGYlang: el