Horak, I.G.

Horak, I.G.; Govender, D.; Harrison, J.A.; Hausler, G.; Kilian, J.W. 2017. Parasites of domestic and wild animals in South Africa, XLIX. Ticks (Acari: Ixodidae) infesting white and black rhinoceroses in southern Africa. Onderstepoort Journal of Veterinary Research 2017: 1-11.

Horak, I.G.; Jordaan, A.J.; Nel, P.J.; Van Heerden, J.; Heyne, H.; Van Dalen, E.M. 2015. Distribution of endemic and introduced tick species in Free State Province, South Africa. Journal of the South African Veterinary Association 86 (1) - Art. #1255: 1-9.

Penzhorn, B.L.; Oosthuizen, M.C.; Bosman, A.M.; Kilian, J.W.; Horak, I.G. 2008. Black rhinoceros (Diceros bicornis) populations in Northwestern Namibia are apparently not infected with piroplasms. Journal of Wildlife Diseases 44 (4): 1032-1035.

Horak, I.G.; Cohen, M. 2001. Hosts of the immature stages of the rhinoceros tick, Dermacentor rhinocerinus (Acari, Ixodidae). Onderstepoort Journal of Veterinary Research 68: 75-77.

Knapp, S.E.; Krecek, R.C.; Horak, I.G.; Penzhorn, B.L. 1997. Helminths and arthropods of black and white rhinoceroses in southern Africa. Journal of Wildlife Diseases 33 (3): 492-502, figs. 1-8, tables 1-3.

Penzhorn, B.L.; Krecek, R.C.; Horak, I.G.; Verster, A.J.M.; Walker, J.B.; Boomker, J.; Knapp, S.E.; Quandt, S.K.F. 1994. Parasites of African rhinos: a documentation.