Kuhlen, S. [P:(DE-Juel1)VDB98884] ; Hagedorn, M. [P:(DE-Juel1)VDB76568] ; Patt, M. [P:(DE-HGF)0] ; Schmalbuch, K. [P:(DE-HGF)0] ; Lepsa, M.I. [P:(DE-Juel1)VDB98883] ; Schäpers, Th. [P:(DE-Juel1)128634] ; Güntherodt, G. [P:(DE-HGF)0] ; Beschoten, B. [P:(DE-HGF)0]