Schneider, G.J. [P:(DE-Juel1)VDB96975] ; Gerstl, C. [P:(DE-Juel1)VDB79680] ; Allgaier, J. [P:(DE-Juel1)130501] ; Pyckhout-Hintzen, W. [P:(DE-Juel1)VDB4207] ; Richter, D. [P:(DE-Juel1)130917]