| Author | Popularity |
| Institut National de Recherches Forestieres, Ariana (Tunisia) fre |
31 |
| FAO, Rome (Italy) eng |
15 |
| FAO, Rome (Italy). Forestry Dept. eng |
7 |
| Tschinkel, H. |
6 |
| Chararas, C. |
4 |
| Elhamrouni, A. |
3 |
| Hadri, H. |
3 |
| Langley, R. |
3 |
| Ben Salem, B. |
2 |
| Dahman, M. |
2 |
| FAO, Rome (Italy) fre |
2 |
| Hadry, H. |
2 |
| Sarson, M. |
2 |
| Carre, J. |
1 |
| Chakroun, M.L. |
1 |
| Charfi, M. |
1 |
| Cochet, C. |
1 |
| Cormary, M.Y. |
1 |
| El Aouni, M.H. |
1 |
| Fraser, M.C. |
1 |
