subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS__enauthor: Leondaritis, George_or_Spyropoulos, Vasileios_or_Lekka, Maria Eleni E_or_Alissandrakis, Constantine_or_Chasapis, Dimitrios_or_Andrikopoulos, Nikolaos_or_Zachos%2C Efstathios