Sidorenko, V. [P:(DE-HGF)0] ; Müller, Walter [P:(DE-Ds200)OR0851] ; Emschermann, D. [P:(DE-Ds200)OR1511] ; Zabolotny, W. [P:(DE-HGF)0] ; Fröhlich, I. [P:(DE-Ds200)OR1788] ; Becker, J. [P:(DE-HGF)0]