Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Vermeulen, N.M.J.(Published by the Government Printer, Pretoria., 1987)
Anonymous; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa)(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
Belozerov, V.N.; Van Niekerk, D.J; Butler, H.J.B.(Pretoria : Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the University of Pretoria, Faculty of Veterinary Science, 2003)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); McHardy, N.; MacKenzie, P.K.I.(Published by the Government Printer, Pretoria., 1987)
Tice, G.A.; Bryson, N.R.; Stewart, C.G.; Du Plessis, B.; De Waal, D.T.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1998)
De Lisle, G.W.; Collins, D.M.; Huchzermeyer, Hildegard F.A.K.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)