Börner, A. R. [P:(DE-Juel1)VDB148] ; Langen, K. J. [P:(DE-Juel1)131777] ; Herzog, H. [P:(DE-Juel1)VDB612] ; Hamacher, K. [P:(DE-Juel1)VDB551] ; Müller-Mattheis, V. [P:(DE-Juel1)VDB1111] ; Schmitz, T. [P:(DE-Juel1)VDB1445] ; Ackermann, R. [P:(DE-Juel1)VDB9] ; Coenen, H. H. [P:(DE-Juel1)131816]