Uhlenbruck, S. [P:(DE-Juel1)129580] ; Jordan, N. [P:(DE-Juel1)VDB60975] ; Serra, J.M. [P:(DE-HGF)0] ; Buchkremer, H. P. [P:(DE-Juel1)129594] ; Stöver, D. [P:(DE-Juel1)129666]