type: 7lang: elsubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Spyropoulos, Vasileios_or_Kroupis, Christos_or_Karkalousos, Petros_or_Ventouras, Errikos-Chaim_or_Pseiridou, Anastasia__en