Winkel, M. [P:(DE-Juel1)140128] ; Speck, R. [P:(DE-HGF)0] ; Hübner, H. [P:(DE-Juel1)VDB99128] ; Arnold, L. [P:(DE-Juel1)132044] ; Krause, R. [P:(DE-HGF)0] ; Gibbon, P. [P:(DE-Juel1)132115]