author: Papatheodoropoulos, Costas_or_Nikolaidis, Nikolaos_or_Eleftheriadis, IoannissubjectTerm: VI. HUMANITIES AND ARTS_or_V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__en