subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Toumpis, Stavros_or_Fountzoula, Christina_or_Karkalousos, Petros_or_Plageras, Panagiotis_or_Μιχαλόπουλος, Χαρίλαος__el