lang: eltype: 112_or_104subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Anninos, Loukas_or_Krestenitis, Ioannis_or_Paraskevas, Michail_or_Chytiris, Leonidas