Gül, Ö. [P:(DE-HGF)0] ; Günel, H. Y. [P:(DE-HGF)0] ; Lüth, H. [P:(DE-Juel1)128608] ; Rieger, T. [P:(DE-Juel1)141766] ; Wenz, T. [P:(DE-HGF)0] ; Haas, F. [P:(DE-Juel1)140174] ; Lepsa, M. [P:(DE-Juel1)128603] ; Panaitov, G. [P:(DE-HGF)0] ; Grützmacher, D. [P:(DE-Juel1)125588] ; Schäpers, Th. [P:(DE-Juel1)128634]