collection: 2subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Markou, Evripidis_or_Zachos, Efstathios_or_Kranakis, Evangelos_or_Pagourtzis, Aristeidis_or_Bagkos, Panteleimon_or_Toumpis, Stavroslang: el