Coenen, Heinrich Hubert [P:(DE-Juel1)131816] ; Buchholz, Martin [P:(DE-Juel1)144465] ; Spahn, Ingo [P:(DE-Juel1)131849] ; Vanasschen, Christian [P:(DE-Juel1)157902] ; Ermert, Johannes [P:(DE-Juel1)131818] ; Neumaier, B. [P:(DE-HGF)0]