Langer, Eike [P:(DE-Juel1)159447] ; Walter, Olaf [P:(DE-HGF)0] ; Colle, Jean-Yves [P:(DE-HGF)0] ; Bosbach, Dirk [P:(DE-Juel1)130324] ; Alekseev, Evgeny [P:(DE-Juel1)144426]