lang: eltype: 4_or_999_or_102_or_112author: Zafiropulos, Vassilis_or_Chytiris, Leonidas_or_Tzanakis, Georgios_or_Gravalos, IoannissubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES