Sasioglu, Ersoy [P:(DE-Juel1)130937] ; Hadipour, Hanif [P:(DE-HGF)0] ; Friedrich, Christoph [P:(DE-Juel1)130644] ; Blügel, Stefan [P:(DE-Juel1)130548] ; Mertig, Ingrid [P:(DE-HGF)0]