type: 103_or_102collection: 3author: Kirtas, Emmanouil_or_Zafiropulos, Vassilis_or_Kolettis, TheofilossubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYlang: el