subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCESauthor: Bratsos, Athanasios_or_Grontas, Panagiotis_or_Papatheodoropoulos, Costas_or_Zachos, Efstathios_or_������������, ����������������__el