author: Lazarinis, Fotios_or_Cheliotis, Dimitrios_or_Pagourtzis, Aristeidis_or_Lianos, Theodoros_or_����������������, ������������������__elsubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES