Lister, David; Conference of African Animal Health Workers (1st : 1995 : Onderstepoort, South Africa); Van der Westhuizen, Erica E.(University of Pretoria, Veterinary Science Library, 1997)
Van der Westhuizen, Erica E.; Conference of African Animal Health Workers (1st : 1995 : Onderstepoort, South Africa); Van der Westhuizen, Erica E.(University of Pretoria, Veterinary Science Library, 1997)
Larson, Jean; Conference of African Animal Health Workers (1st : 1995 : Onderstepoort, South Africa); Van der Westhuizen, Erica E.(University of Pretoria, Veterinary Science Library, 1997)
Crampton, Margaret; Conference of African Animal Health Workers (1st : 1995 : Onderstepoort, South Africa); Van der Westhuizen, Erica E.(University of Pretoria, Veterinary Science Library, 1997)
Reyers, Fred; Conference of African Animal Health Workers (1st : 1995 : Onderstepoort, South Africa); Van der Westhuizen, Erica E.(University of Pretoria, Veterinary Science Library, 1997)