Voigtländer, Bert [P:(DE-Juel1)128794] ; Coenen, Peter [P:(DE-HGF)0] ; Cherepanov, Vasily [P:(DE-Juel1)128762] ; Borgens, Peter [P:(DE-Juel1)156534] ; Duden, Thomas [P:(DE-Juel1)159364] ; Tautz, F. S. [P:(DE-Juel1)128791]