datepublished: 2015author: Lilakos, Konstantinos_or_Papanikolaou, Georgios_or_Perivolaropoulos, Leandros_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGYlang: el