Vos, H. [P:(DE-Juel1)129165] ; Brüchmann, C. [P:(DE-HGF)0] ; Lücke, A. [P:(DE-Juel1)129567] ; Negendank, J. F. W. [P:(DE-HGF)0] ; Schleser, G. H. [P:(DE-Juel1)VDB1420] ; Zolitschka, B. [P:(DE-HGF)0]