Helle, O. [P:(DE-HGF)0] ; Mack, Daniel Emil [P:(DE-Juel1)129630] ; Malzbender, Jürgen [P:(DE-Juel1)129755] ; Sebold, Doris [P:(DE-Juel1)129662] ; Vassen, Robert [P:(DE-Juel1)129670] ; Guillon, Olivier [P:(DE-Juel1)161591]