Matusch, A. [P:(DE-Juel1)138474] ; Saft, C. [P:(DE-HGF)0] ; Elmenhorst, D. [P:(DE-Juel1)131679] ; Kraus, P. [P:(DE-HGF)0] ; Gold, R. [P:(DE-HGF)0] ; Hartung, H.-P. [P:(DE-HGF)0] ; Bauer, Andreas [P:(DE-Juel1)131672]