author: Zachos, Efstathios_or_Kontogiannis, Ioannis_or_Pagourtzis, Aristeidis_or_Mavridis, Ioannis_or_Toumpis, Stavros_or_Gitzenis, SavvassubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE