collection: 1_or_2subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. �������������������� ������ ����������������������__elauthor: Andrikopoulos, Nikolaos_or_Asimakopoulos, Georgios_or_Paraskevas, Michail_or_Liaperdos, Ioannis