subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES__entype: 102collection: 3author: Kefalas, Petros_or_Sakellariou, Ilias_or_Manis, Georgios_or_Theodoridis, Evangelos_or_Stamatis, Dimosthenis