subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES__encollection: 2author: Manolopoulos, Ioannis_or_Tsichlas, Konstantinos_or_Gounaris, Anastasios_or_Kranakis, Evangelos_or_Grontas, Panagiotis_or_Pagourtzis, Aristeidis_or_Mavridis, Ioannis