Kotze, Sanet H.; Van der Merwe, N.J.; Van Aswegen, G.; Smith, G.A.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)
Ortiz, J.; Ruiz de Ybanez, M.R.; Abaigar, T.; Garijo, M.; Espeso, G.; Cano, M.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Purnell, R.E.(Published by the Government Printer, Pretoria., 1987)