Mohan, K.; Foggin, Chris M.; Muvavarirwa, P.; Honywill, J.; Pawandiwa, A.(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)
Mohan, K.; Foggin, Chris M.; Dziva, Francis; Muvavarirwa, P.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)