Hendricks Franssen, H.J. [P:(DE-Juel1)VDB99007] ; Kaiser, H.P. [P:(DE-HGF)0] ; Kuhlmann, U. [P:(DE-HGF)0] ; Bauser, G. [P:(DE-HGF)0] ; Stauffer, F. [P:(DE-HGF)0] ; Müller, R. [P:(DE-HGF)0] ; Kinzelbach, W. [P:(DE-HGF)0]