subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEtype: 7author: Souliou, Theodora_or_Toumpis, Stavros_or_Cheliotis, Dimitrios_or_Pagourtzis, Aristeidis_or_Lianos, Theodoros_or_����������������, ������������������__ellang: el