1. Borden, E.C., et al. 1971. J. Gen. Virology 13:261-271. 2. Murphy, F.A., et al. 1971. J. Gen. Virology 13:273-288. 3. Verwoerd, D.W., et al. 1979. Comprehensive Virology 14:285. 4. Buckley, S.M. 1972. J. Med. Entomol. 9:168-170. 5. Moore, D.L., et al. 1975. Ann. Trop. Med. Hyg. Parasitol. 69:49-64. 6. Kemp, G.E., et al. 1974. J. Wildlife Diseases 10:279-293. 7. South African Institute for Medical Research. Johannesburg. Unpublished. 8. Lee, V.H. Quoted by source (6). 9. Stim, T.B. 1969. J. Gen. Virol. 5:329-338.
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