Heiden, A. C. [P:(DE-Juel1)VDB578] ; Kobel, K. [P:(DE-Juel1)VDB786] ; Langebartels, C. [P:(DE-HGF)0] ; Schuh-Thomas, G. [P:(DE-HGF)0] ; Wildt, J. [P:(DE-Juel1)VDB1780]