Sill, C. [P:(DE-Juel1)140184] ; Biehl, R. [P:(DE-Juel1)130542] ; Hoffmann, B. [P:(DE-Juel1)128817] ; Radulescu, A. [P:(DE-Juel1)130905] ; Appavou, M. -S. [P:(DE-HGF)0] ; Farago, B. [P:(DE-HGF)0] ; Richter, D. [P:(DE-Juel1)130917]