Zotov, N. [P:(DE-Juel1)VDB7971] ; Feydt, J. [P:(DE-Juel1)VDB102949] ; Savan, A. [P:(DE-Juel1)VDB102950] ; Ludwig, A. [P:(DE-Juel1)VDB102951] ; von Borany, J. [P:(DE-Juel1)VDB102952]