Posch, T.N. [P:(DE-Juel1)VDB94855] ; Müller, A. [P:(DE-HGF)0] ; Schulz, W. [P:(DE-HGF)0] ; Pütz, M. [P:(DE-HGF)0] ; Huhn, C. [P:(DE-Juel1)VDB93008]