author: Pagourtzis, Aristeidis_or_Spyropoulos, Vasileios_or_Cheliotis, Dimitrios_or_Zachos, Efstathios_or_Mavridis, IoannissubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_V. LAW AND SOCIAL SCIENCES__en