collection: 2subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Manolopoulos, Ioannis_or_Kranakis, Evangelos_or_Pagourtzis, Aristeidis_or_Κοντογεώργης, Αριστείδης__el