Holland, F. [P:(DE-Juel1)16342] ; Hofzumahaus, A. [P:(DE-Juel1)16326] ; Schäfer, H.-J. [P:(DE-HGF)0] ; Kraus, A. [P:(DE-Juel1)VDB832] ; Pätz, H.-W. [P:(DE-Juel1)16214]