Bowles, P.M.; Molloy, J.B.; Blight, G.W.; Singh, S.; Mabikacheche, L.G.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute ., 2000)
Minnaar, P.P.; McCrindle, Robert Ian; Naude, T.W.; Botha, C.J. (Christoffel Jacobus)(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute ., 2000)
Mbati, P.A.; Hirumi, K.; Inoue, N.; Situakibanza, N.H.; Hirumi, H.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute ., 2000)
Elkan, P.W.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)