Ern, M. [P:(DE-Juel1)VDB13497] ; Preusse, P. [P:(DE-Juel1)VDB12001] ; Eckermann, S. D. [P:(DE-HGF)0] ; Mergenthaler, J. L. [P:(DE-HGF)0] ; Oberheide, J. [P:(DE-HGF)0] ; Picard, R. H. [P:(DE-HGF)0] ; Warner, C. D. [P:(DE-HGF)0]