| Verfasser | Häufigkeit |
| Alves, Fátima |
3 |
| Alves, Lúcio Ferreira |
2 |
| Azeiteiro, Ulisses Miranda 1967- |
2 |
| Favoreto, Rita de Fátima |
2 |
| Gilbert, Benjamin |
2 |
| Leal Filho, Walter 1965- |
2 |
| Abubakar, Ismaila Rimi |
1 |
| Adamson, Kathryn |
1 |
| Brandli, Luciana Londero |
1 |
| Do Paco, Arminda |
1 |
| Dunk, Rachel M. |
1 |
| Illingworth, Sam |
1 |
| Kovaleva, Marina |
1 |
| Lange Salvia, Amanda |
1 |
| Leal Filho, Walter |
1 |
| Manolas, Evangelos |
1 |
| Pretorius, Rudi W. |
1 |
| Rogers, Judy |
1 |
| Shiel, Chris |
1 |