Krämer-Flecken, A. [P:(DE-Juel1)130075] ; Elmenhorst, W. [P:(DE-Juel1)VDB4087] ; Lambertz, H. [P:(DE-Juel1)130081] ; Hüttemann, P. [P:(DE-Juel1)VDB5365] ; von Studnitz, B. [P:(DE-Juel1)VDB11924]