| Verfasser | Häufigkeit |
|---|---|
| Aldy, Joseph E. | 1 |
| Clarke, Michael | 1 |
| Clarke, Michael 1977- | 1 |
| Duncan, Andrew | 1 |
| Frühling, Stephan | 1 |
| O'Neil, Andrew 1969- | 1 |
| Polunin, Nicholas | 1 |
| Russell, Matheson | 1 |
| Stavins, R. N. 1948- | 1 |
| Wirth, Timothy E. | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Aldy, Joseph E. | 1 |
| Clarke, Michael | 1 |
| Clarke, Michael 1977- | 1 |
| Duncan, Andrew | 1 |
| Frühling, Stephan | 1 |
| O'Neil, Andrew 1969- | 1 |
| Polunin, Nicholas | 1 |
| Russell, Matheson | 1 |
| Stavins, R. N. 1948- | 1 |
| Wirth, Timothy E. | 1 |