subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES__enauthor: Zachos, Efstathios_or_Fountzoula, Christina_or_Karkalousos, Petros_or_Grontas, Panagiotis_or_Cheliotis, Dimitrios_or_Pagourtzis, Aristeidislang: el