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Odendaal, M.W.; Pieterson, P.M.; De Vos, Valerius; Botha, A.D.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
Bingham, J.; Jacobs, Jeanette Antonio; Jaftha, Julian Bernard(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1998)
Marasas, Walter F.O. (Walter Friedrich Otto); Adelaar, T.F.; Minne, J.A.; Van Rensburg, I.B.J.; Burroughs, G.W.; Kellerman, T. Stephanus(Published by the Government Printer, Pretoria, 1972)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Van der Merwe, Lente(Published by the Government Printer, Pretoria., 1987)