Crewell, S. [P:(DE-HGF)0] ; Schween, J. [P:(DE-HGF)0] ; Geiss, H. [P:(DE-Juel1)16201] ; Rascher, U. [P:(DE-Juel1)129388] ; Schickling, A. [P:(DE-Juel1)7338] ; Selbach, C. [P:(DE-Juel1)VDB81676]