subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS__enauthor: Lekka, Maria Eleni E_or_Andrikopoulos, Nikolaos_or_Leondaritis, George_or_Galanopoulou, Konstantina_or_Tsiganis, Kleomenis_or_Chasapis, Dimitrios_or_Varvoglis, Charalampos