Kruteva, Margarita [P:(DE-Juel1)130777] ; Monkenbusch, Michael [P:(DE-Juel1)130849] ; Allgaier, Jürgen [P:(DE-Juel1)130501] ; Pyckhout-Hintzen, Wim [P:(DE-Juel1)130902] ; Porcar, Lionel [P:(DE-HGF)0] ; Richter, Dieter [P:(DE-Juel1)130917]