author: Kroupis, Christos_or_Papaioannou, Angelos_or_Spyropoulos, Vasileios_or_Georgopoulos, Antonios_or_������������, ����������������__elsubjectTerm: V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES