subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCESauthor: Kontogiannis, Ioannis_or_Kranakis, Evangelos_or_Toumpis, Stavros_or_Cheliotis, Dimitrios_or_Pagourtzis, Aristeidis_or_Lianos, Theodoros_or_����������������, ������������������__el