Krieg, Stefan [P:(DE-Juel1)132171] ; Pleiter, Dirk [P:(DE-Juel1)144441] ; Sommer, R. [P:(DE-HGF)0] ; Jansen, K. [P:(DE-HGF)0] ; Simma, H. [P:(DE-HGF)0] ; Schäfer, S. [P:(DE-HGF)0] ; Alexandrou, C. [P:(DE-HGF)0] ; Koutsou, G. [P:(DE-HGF)0]