Schlosser, E. [P:(DE-Juel1)VDB26256] ; Brauers, T. [P:(DE-Juel1)16306] ; Dorn, H.-P. [P:(DE-Juel1)16317] ; Li, X. [P:(DE-Juel1)6775] ; Vatchev, A. [P:(DE-Juel1)VDB72616]