subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Zachos, Efstathios_or_Kroupis, Christos_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidis_or_Αντωνιάδης, Ιωάννης__el