collection: 2subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Grontas, Panagiotis_or_Bratsos, Athanasios_or_Cheliotis, Dimitrios_or_Markou, Evripidis_or_Pagourtzis, Aristeidis_or_Κοντογεώργης, Αριστείδης__ellang: el