type: 109_or_110_or_112author: Liaperdos, Ioannis_or_Chytiris, Leonidas_or_Katsafados, Petros_or_Paraskevas%2C Michail_or_Chytiris%2C Leonidas_or_Michalopoulos%2C Charilaoslang: elsubjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES