Boehme, R.M. [P:(DE-HGF)0] ; Andries, T. [P:(DE-HGF)0] ; Dötz, K.H. [P:(DE-HGF)0] ; Thiele, B. [P:(DE-Juel1)129410] ; Guenther, K. [P:(DE-Juel1)VDB40956]