Memon, Ahmed [P:(DE-Juel1)132191] ; Jensen, Jens [P:(DE-HGF)0] ; Elbers, Willem [P:(DE-HGF)0] ; Riedel, Morris [P:(DE-Juel1)132239] ; Neukirchen, Helmut [P:(DE-HGF)0] ; Book, Matthias [P:(DE-HGF)0]