lang: eltype: 112_or_7subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Koutitas, Christoforos_or_Anninos, Loukas_or_Makris, Christos_or_Karampas, Theofanis_or_Krestenitis, Ioannis_or_Paraskevas, Michail_or_Chytiris, Leonidas