1. Kimberlin, R.H., ed. (1976). Slow virus diseases of animals and man. American Elsevier, New York.
2. Prusiner, S.B. and Hadlow, W.J., eds. (1979). Slow transmissable diseases of the nervous system. Academic Press, New York.
3. Tyrrell, D.A.J., ed. (1979). Aspects of slow and persistent virus infections. M. Nijhoff, The Hague.
4. Stevens, J.G., Todaro, G.J. and Fox, C.F., eds. (1978). Persistent viruses. Academic Press, New York.
5. Youngner, J.S., ed. (1977). Persistent virus infections. Microbiology — 1977. Schlessinger, D., ed. American Society for Microbiology, Washington, p. 433.