Emundts, A. [P:(DE-Juel1)VDB5552] ; Coenen, P. [P:(DE-Juel1)VDB5705] ; Pirug, G. [P:(DE-Juel1)128784] ; Voigtländer, B. [P:(DE-Juel1)VDB5601] ; Bonzel, D. I. [P:(DE-Juel1)VDB5490] ; Wynblatt, P. [P:(DE-HGF)0]