Zhang, Y. [P:(DE-Juel1)VDB5476] ; Panaitov, G. [P:(DE-Juel1)128715] ; Wang, S. G. [P:(DE-HGF)0] ; Wolters, N. [P:(DE-HGF)0] ; Otto, R. [P:(DE-Juel1)VDB5661] ; Schubert, J. [P:(DE-Juel1)128631] ; Zander, W. [P:(DE-Juel1)128648] ; Krause, H.-J. [P:(DE-Juel1)128697] ; Soltner, H. [P:(DE-Juel1)VDB4093] ; Bousack, H. [P:(DE-Juel1)128663] ; Braginski, A. I. [P:(DE-Juel1)VDB7061]