Potts, A.D.; Harris, H.J.; Smith, S.J.; Viljoen, Gerrit Johannes; Dungu, B.; Brett, O.L.; Bubb, M.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2002)
Sanogo, Y.O.; Inokuma, H.; Parola, P.; Brouqui, P.; Davoust, B.; Camicas, J-L.(Pretoria : Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the University of Pretoria, Faculty of Veterinary Science, 2003)