type: 101_or_104_or_7_or_6_or_999author: Michalopoulos, Charilaos_or_Michalopoulos, Andreas_or_Mavridis, Ioannis_or_Papatheodoropoulos, CostassubjectTerm: V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES