subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Andrikopoulos, Nikolaos_or_Patsourakos, Spyros_or_Alissandrakis, Constantine_or_Papatheodoropoulos, Costas