type: 7subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEcollection: 2author: Kroupis, Christos_or_Cheliotis, Dimitrios_or_Fountzoula, Christina_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__ellang: el