subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESauthor: Kroupis, Christos_or_Cheliotis, Dimitrios_or_Spyropoulos, Vasileios_or_Lianos, Theodoros_or_Spyropoulos, Vasileios__en