Zorn, R. [P:(DE-Juel1)131067] ; Mayorova, M. [P:(DE-Juel1)VDB60016] ; Richter, D. [P:(DE-Juel1)130917] ; Schönhals, A. [P:(DE-HGF)0] ; Hartmann, L. [P:(DE-HGF)0] ; Frick, B. [P:(DE-HGF)0] ; Kremer, F. [P:(DE-HGF)0]