collection: 2subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Cheliotis, Dimitrios_or_Kranakis, Evangelos_or_Zachos, Efstathios_or_Pagourtzis, Aristeidis_or_Makrylakis, Konstantinos__enlang: el