1. Murphy, F. A., 1977, Arch. Virol. 54:279–297.
2. Dubois-Dalcq, M., 1979, Int. Rev. Exp. Pathol. 19:101–135.
3. Fields, B. N., and Weiner, H. L., 1982, Life Sciences Research, Report 20 (T. A. Sears, ed.), Springer-Verlag, Berlin, pp. 217–228.
4. Johnson, R. T., 1982, Viral Infections of the Nervous System, Raven Press, New York.
5. Klein, R. J., 1982, Arch. Virol. 72:143–168.