Steinberger-Wilckens, R. [P:(DE-Juel1)VDB9342] ; Blum, L. [P:(DE-Juel1)129828] ; Buchkremer, H. P. [P:(DE-Juel1)129594] ; de Haart, L.G.J. [P:(DE-Juel1)129952] ; Pap, M. [P:(DE-Juel1)VDB14776] ; Steinbrech, R. W. [P:(DE-Juel1)VDB1573] ; Uhlenbruck, S. [P:(DE-Juel1)129580] ; Tietz, F. [P:(DE-Juel1)129667]