| Verfasser | Häufigkeit |
| Burkard, Rainer E. 1943- |
43 |
| Zimmermann, Uwe 1947- |
6 |
| Dell'Amico, Mauro |
3 |
| Derigs, Ulrich |
3 |
| Hamacher, Horst W. 1951- |
3 |
| Martello, Silvano |
3 |
| Rothe, Günter |
3 |
| Dell'Amico, Mauro 1960- |
2 |
| Fincke, U. |
2 |
| Hamacher, Horst |
2 |
| Burkard, R. E. |
1 |
| Burkard, Rainer E. |
1 |
| Burkard, Reiner E. |
1 |
| Capasso, Vincenzo 1945- |
1 |
| Derigs, U. |
1 |
| Hahn, W. |
1 |
| Karisch, Stefan E. |
1 |
| Krarup, Jakob |
1 |
| Martello, Silvano 1948- |
1 |
| Offermann, Josef |
1 |