| Author | Popularity |
|---|---|
| Picard,J A | 4 |
| Picard,J | 2 |
| Bisschop,S P R | 1 |
| Engelbrecht,M | 1 |
| Jonker,A | 1 |
| Kidanemariam,A | 1 |
| McDonald,R | 1 |
| Moreau, B. | 1 |
| Oguttu,J W | 1 |
| Picard, J.P. | 1 |
| Purchase,C | 1 |
| Roach,J M | 1 |
| Schmidt,T | 1 |
| Veary,C M | 1 |
| Venter,E H | 1 |
| Vuillaume, Claude | 1 |
| van Vuuren,M | 1 |
