作者：Swanepoel Lourens H; Swanepoel Corrie M; Brown Peter R; Eiseb Seth J; Goodman Steven M; Keith Mark; Kirsten Frikkie; Leirs Herwig; Mahlaba Themb'alilahlwa A M; Makundi Rhodes H; Malebane Phanuel; von Maltitz Emil F; Massawe Apia W; Monadjem Ara; Mulungu Loth S; Singleton Grant R; Taylor Peter J; Soarimalala Voahangy; Belmain Steven R