type: 7author: Grontas, Panagiotis_or_Fountzoula, Christina_or_Plageras, Panagiotis_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidis_or_Αντωνιάδης, Ιωάννης__elsubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCElang: el