subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Cheliotis, Dimitrios_or_Grontas, Panagiotis_or_Kontogeorgis, Aristides_or_Pagourtzis, Aristeidis_or_Pagourtzis, Aristeidis__en