| Verfasser | Häufigkeit |
|---|---|
| Clerman, Norman S. | 3 |
| Spector, Walter | 3 |
| Spector, Walter G. | 3 |
| Cameron, Roy | 1 |
| Clerman, Norman S. 1946- | 1 |
| Spector, Walter 1956- | 1 |
| Willoughby, Derek A. | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Clerman, Norman S. | 3 |
| Spector, Walter | 3 |
| Spector, Walter G. | 3 |
| Cameron, Roy | 1 |
| Clerman, Norman S. 1946- | 1 |
| Spector, Walter 1956- | 1 |
| Willoughby, Derek A. | 1 |