Alam, A. [P:(DE-HGF)0] ; Heuken, M. [P:(DE-HGF)0] ; Juergensen, H. [P:(DE-HGF)0] ; Hardtdegen, H. [P:(DE-Juel1)125593] ; Marso, M. [P:(DE-Juel1)VDB5422] ; Nastase, N. [P:(DE-Juel1)VDB5485] ; Bay, H. [P:(DE-Juel1)VDB5486] ; Kordos, P. [P:(DE-Juel1)VDB5426] ; Lüth, H. [P:(DE-Juel1)VDB975]