lang: eltype: 1_or_999_or_112author: Katsafados, Petros_or_Kanakoudis, Vasilis_or_Mavromatidis, Ilias_or_Tsitsifli, Stavroula_or_Zoumpoulis, Anastasioscollection: 3subjectTerm: V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES