1. Cartwright, S. F., Lucas, M., Cavill, J. P., Gush, A. F., Blandford, T. B.: Vomiting and wasting disease of piglets. Vet. Rec.84, 175–176 (1969).
2. Doyle, L. P., Hutchings, L. M.: A transmissible gastroenteritis in pigs. J. Amer. vet. Assoc.108, 257–259 (1946).
3. Flewett, T. H., Boxall, E.: The hunt for viruses in infections of the alimentary system: an immuno electronmicroscopical approach. Clinics in Gastroenterology5, 359–385 (1976).
4. Greig, A. S., Mitchell, D., Corner, A. H., Bannister, G. L., Meads, E. B., Julian, R. J.: A hemagglutinating virus producing encephalomyelitis in baby pigs. Canad. J. comp. Med. vet. Sci.26, 49–56 (1962).
5. Mathan, M., Mathan, V. I., Swaminathan, S. P., Yesudoss, S., Baker, S. J.: Pleomorphic virus-like particles in human faeces. Lancet1, 1068–1069 (1975).