type: 4_or_104_or_112subjectTerm: V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESauthor: Stamatis, Dimosthenis_or_Androulidakis, Ioannis_or_Vasileiadis, Nikolaos_or_Chytiris, Leonidas