| Verfasser | Häufigkeit |
| Mar, Ricardo ca. 20./21. Jh |
3 |
| Mateos Cruz, Pedro |
3 |
| Morán Sánchez, Carlos Jesús ca. 20./21. Jh |
3 |
| Guldi, Dirk M. |
1 |
| Herranz, M. Ángeles |
1 |
| Katsukis, Georgios |
1 |
| Martin, Nazario |
1 |
| Mateos-Gil, Jaime |
1 |
| Moreno Oliva, María |
1 |
| Rodríguez-Pérez, Laura |
1 |
| Romero-Nieto, Carlos |
1 |