Beer, S. [P:(DE-Juel1)VDB72428] ; Kroll, T. [P:(DE-Juel1)VDB3646] ; Elmenhorst, D. [P:(DE-Juel1)131679] ; van Waasen, S. [P:(DE-Juel1)142562] ; Bauer, A. [P:(DE-Juel1)131672]