Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Viljoen, Gerrit Johannes; Vermeulen, N.M.J.(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Bezuidenhout, J. Dürr(Published by the Government Printer, Pretoria., 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Holland, C.J.; Logan, L.L.; Mebus, C.A.; Ristic, M.(Published by the Government Printer, Pretoria., 1987)
Josemans, A.I.(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); Malan, Letitia; Du Plessis, J.L.(Pretoria : Government Printer, 1987)
Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Logan, L.L.; Birnie, E.F.; Mebus, C.A.(Published by the Government Printer, Pretoria., 1987)