collection: 2subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Tsotsou, Georgia Eleni_or_Papaioannou, Angelos_or_Ventouras, Errikos-Chaim_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidislang: el