1. Appel, M. J. G., andJ. H. Gillespie: Canine distemper virus. Virology Monographs11, 1?96 (1972).
2. Busell, R. H., andD. T. Karzon: Canine distemper virus in primary and continuous cell lines of human and monkey origin. Arch. ges. Virusforsch.17, 183?202 (1965).
3. Bussell, R. H., andD. T. Karzon: Measles-canine distemper-rinderpest group. In: Basic Medical Virology (J. E. Prier, ed.), p. 313?336. Baltimore: Williams and Wilkins, 1966.
4. Casey, H. L.: Standardized diagnostic complement fixation method and adaptation to micro test. Public Health Monograph No.74, Washington, D.C.: United States Government Printing Office, 1965.
5. Chanock, R., B. Roizman, andR. Myers: Recovery from infants with respiratory illness of a virus related to chimpanzee coryza agent (CCA). I. Isolation, properties and characterization. Amer. J. Hyg.66, 281?290 (1957).