| Verfasser | Häufigkeit |
| Danielson, Elena S. |
2 |
| Palm, Charles G. |
2 |
| Danielson, Elena |
1 |
| Danielson, Hans |
1 |
| Meeting on Sunspots Florenz |
1 |
| Mitra, Shashanka S. |
1 |
| Politis, Anastasios E. |
1 |
| Potra, Ana |
1 |
| Potra, George G. 1940-2015 |
1 |
| Rǎzdolescu, Delia |
1 |
| Titulescu, Nicolae 1882-1941 |
1 |