Offermann, D. [P:(DE-HGF)0] ; Küll, V. [P:(DE-HGF)0] ; Schäler, B. [P:(DE-HGF)0] ; Jarisch, M. [P:(DE-HGF)0] ; Claude, H. [P:(DE-HGF)0] ; Smit, H. G. J. [P:(DE-Juel1)16203] ; Ebel, A. [P:(DE-HGF)0] ; Feldmann, H. [P:(DE-HGF)0]