subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. ΑΝΘΡΩΠΙΣΤΙΚΕΣ ΕΠΙΣΤΗΜΕΣ ΚΑΙ ΤΕΧΝΕΣ__elauthor: Spyropoulos, Vasileios_or_Stamatis, Dimosthenis_or_Vasileiadis, Nikolaos_or_Toumpis, Stavros_or_Kefalas, Petros_or_Mavridis, Ioannis