subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Koumpis, Alexandros_or_Perivolaropoulos, Leandros_or_Mavromatidis, Ilias_or_Charmandaris, Evangelostype: 109collection: 3lang: el