author: Grontas, Panagiotis_or_Zachos, Efstathios_or_Stamatis, Dimosthenis_or_Bratsos, AthanasiossubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. ΑΝΘΡΩΠΙΣΤΙΚΕΣ ΕΠΙΣΤΗΜΕΣ ΚΑΙ ΤΕΧΝΕΣ__eltype: 7lang: el