collection: 3_or_1subjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_I. ΜΑΘΗΜΑΤΙΚΑ ΚΑΙ ΠΛΗΡΟΦΟΡΙΚΗ__elauthor: Kefalas, Petros_or_Sakellariou, Ilias_or_Manis, Georgios_or_Vasileiadis, Nikolaos