| Verfasser | Häufigkeit |
|---|---|
| Bitelli, Gabriele | 4 |
| Bitelli, Giovanni | 3 |
| Alena Girelli, V. | 1 |
| Alena Girelli, Valentina | 1 |
| Bitelli, G. | 1 |
| Borghi, Beatrice | 1 |
| Gatta, Giorgia | 1 |
| Gonzalez-Aguilera, Diego | 1 |
| Grussenmeyer, Pierre | 1 |
| Rainaudo, Fulvio | 1 |
| Zanutta, A. | 1 |
| Zanutta, Antonio | 1 |