lang: eltype: 4_or_999_or_102_or_112collection: 3author: Chytiris, Leonidas_or_Bertachas, Ioannis_or_Pavlakis, Konstantinos_or_Paraskevas, MichailsubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES