Kueppers, H. [P:(DE-HGF)0] ; Leuerer, T. [P:(DE-HGF)0] ; Schnakenberg, U. [P:(DE-HGF)0] ; Mokwa, W. [P:(DE-HGF)0] ; Hoffmann, M. [P:(DE-HGF)0] ; Schneller, T. [P:(DE-HGF)0] ; Boettger, U. [P:(DE-HGF)0] ; Waser, R. [P:(DE-Juel1)131022]