| Verfasser | Häufigkeit |
| Becker, Ulrich 1960- |
2 |
| Eichenhofer, Eberhard 1950- |
2 |
| Igl, Gerhard 1947- |
2 |
| Marhold, Franz 1955- |
2 |
| Ojeda Avilés, Antonio |
2 |
| Prosperetti, Giulio 1946- |
2 |
| Abellan, Gonzalo |
1 |
| Alonso-Betanzos, Amparo |
1 |
| Andolong, Sandy |
1 |
| Bolón-Canedo, Verónica |
1 |
| Boullón Agrelo, Ana Isabel |
1 |
| Camacho, David |
1 |
| Carrera de la Red, María Fátima |
1 |
| Casanova, Emili |
1 |
| Casillas Antúnez, Francisco José |
1 |
| Castro, Edison |
1 |
| Chacon-Torres, Julio C. |
1 |
| Cuyugan-Asensio, Fides |
1 |
| Drew, Kenny jun. 1958-2014 |
1 |
| Díaz Alayón, Carmen |
1 |