type: 7subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES__enauthor: Cheliotis, Dimitrios_or_Papaioannou, Angelos_or_Plageras, Panagiotis_or_Spyropoulos, Vasileios