type: 7author: Tsichlas, Konstantinos_or_Cheliotis, Dimitrios_or_Krizanc, Danny_or_Pagourtzis, Aristeidis_or_Kefalas%2C Petros_or_Mavridis%2C IoannissubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCElang: el