subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Toumpis, Stavros_or_Karkalousos, Petros_or_Spyropoulos, Vasileios_or_Antoniadis, Ioannis_or_Σπυρόπουλος, Βασίλειος__el