type: 7_or_110_or_203subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. ΑΝΘΡΩΠΙΣΤΙΚΕΣ ΕΠΙΣΤΗΜΕΣ ΚΑΙ ΤΕΧΝΕΣ__elauthor: Promponas, Antonios_or_Kranakis, Evangelos_or_Pagourtzis, Aristeidis