type: 999_or_101_or_108_or_7author: Nikolaidis, Nikolaos_or_Ventouras, Errikos-Chaim_or_Andrikopoulos, NikolaossubjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES__en