author: Spyropoulos, Vasileios_or_Lianos, Theodoros_or_Antoniadis, Ioannis_or_Μιχαλόπουλος, Χαρίλαος__eltype: 7subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES