FOURIE, L.J., KOK, D.J., HORAK, I.G. & VAN ZYL, J.M. 1995. An evaluation of strategic and threshold control measures against the Karoo paralysis tick, Ixodes rubicundus (Acari: Ixodidae) in South Africa. Experimental and Applied Acarology 19:147-153.
FOURIE, L.J., KOK, D.J., KRUGEL, L. & SNYMAN, A. 1996. Control of Karoo paralysis tick, Ixodes rubicundus (Acari: Ixodidae) through vegetation management. Medical and Veterinary Entomology 10:39-43.
FOURIE, L.J. HORAK, I.G. & KOK, D.J. 1996. Spatial and temporal variations in the commencement of seasonal activity in the Karoo paralysis tick Ixodes rubicundus. Onderstepoort Journal of Veterinary Research 63:305-308.
FOURIE, L.J. & KOK, D.J. 1996. Seasonal dynamics of the Karoo paralysis tick (Ixodes rubicundus): a comparative study on Merino and Dorper sheep. Onderstepoort Journal of Veterinary Research 63:273-276.
FOURIE, L.J. & KOK, D.J. 1996. Sex ratio characteristics in Ixodes rubicundus (Acari: Ixodidae), the Karoo paralysis tick. Experimental and Applied Acarology 20:477-481.