author: Katsafados, Petros_or_Krestenitis, Ioannis_or_Paraskevas, Michail_or_Androulidakis, Ioannis_or_Fylaktakidou, Konstantinatype: 207_or_6_or_109_or_110lang: elsubjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES