collection: 2subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCEtype: 7author: Gitzenis, Savvas_or_Markou, Evripidis_or_Kontogiannis, Ioannis_or_Toumpis, Stavroslang: el