subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Spyropoulos, Vasileios_or_Grontas, Panagiotis_or_Antoniadis, Ioannis_or_Pagourtzis, Aristeidis_or_Michalopoulos, Andreas__en