Sahm, C. C. [P:(DE-HGF)0] ; Clerc, H. G. [P:(DE-HGF)0] ; Schmidt, K.-H. [P:(DE-Ds200)OR1125] ; Reisdorf, W. [P:(DE-Ds200)OR1014] ; Armbruster, P. [P:(DE-Ds200)OR0036] ; Hessberger, F. P. [P:(DE-Ds200)OR0469] ; Keller, J. G. [P:(DE-HGF)0] ; Münzenberg, G. [P:(DE-Ds200)BUDP1-0212] ; Vermeulen, D. [P:(DE-HGF)0]