Kakono, O.; Hove, T.; Mahan, S.; Geysen, Dirk(Pretoria : Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the University of Pretoria, Faculty of Veterinary Science, 2003)
Stylianides, E.; Zuckerman, E.E.; Hardy, W.D. Jr.; Kania, Stephen(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
Muraguri, G.R.; Gitau, P.K.; Mwangi, Michael N.; Mbogo, S.K.; Kariuki, D.P.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1999)
Bowles, P.M.; Molloy, J.B.; Blight, G.W.; Singh, S.; Mabikacheche, L.G.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute ., 2000)
Williams, R.; Schoeman, M.; Van Wyk, A.; Roos, K.; Josemans, E.J.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)