Vural, S. Atalay; Berkin, S.; Alcigir, G.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
Keet, D.F.; Kriek, N.P.J.; Bengis, Roy G.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
Bowles, P.M.; Molloy, J.B.; Blight, G.W.; Singh, S.; Mabikacheche, L.G.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute ., 2000)
None(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)