type: 106_or_7_or_110_or_101subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_III. ������������������ ������������������ ������ ��������������������__elauthor: Bratsos, Athanasios