Wilkins, A.L.; Miles, Christopher O.; De Kock, W.T.; Erasmus, G.L.; Basson, A.T.; Kellerman, T. Stephanus(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
Van Aswegen, G.; De Vos, Valerius; Schoeman, J.H.; Van Noorden, Susan; Kotze, Sanet H.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
Grant, C.C. (Catharina Cornelia); Biggs, H.C.; Meissner, H.H.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
Bezuidenhout, A.J. (Abraham Johannes), 1942-; Seegers, Christine D.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
Elias, M.Z.J. (Mario Zefanias Joao); Bezuidenhout, A.J. (Abraham Johannes), 1942-(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)