Cassing, W;
Lang, A;
Mosel, U;
Vetter, T;
Weber, K;
Wolf, Gy;
Metag, V;
Schult, O W B;
Borgs, W;
Gotta, D;
Hamacher, A;
Koch, H R;
Ohm, H;
Pfeiffer, J;
Riepe, R;
Seyfahrt, H;
Sistemich, K;
Drüke, V;
Filges, D;
Watzlawik, K H;
Nellen, R;
Karnadi, M;
Stechemesser, H;
Stollwerk, G;
[...]