author: Spyropoulos, Vasileios_or_Androulidakis, Ioannis_or_Paraskevas, Michail_or_Triantafyllou, Vasileios_or_Anninos, LoukassubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYtype: 112