1. Askaa, J., Bloch, B.: Detection of porcine rotavirus by EM, ELISA and CIET. Acta Vet. Scand.22, 32?38 (1981).
2. Bohl, E. H., Kohler, E., Saif, L. J., Cross, R. F., Agnes, A. G., Theil, K. W.: Rotavirus as a cause of diarrhea in pigs. J. A. V. M. A.172, 458?463 (1978).
3. Bohl, E. H., Saif, L. J., Theil, K. W., Agnes, A. G., Cross, R. F.: Porcine pararotavirus: Detection, differentiation from rotavirus, and pathogenesis in gnotobiotic pigs. J. Clin. Microbiol.15, 312?319 (1982).
4. Bridger, J. C.: Location of type-specific antigens in calf rotaviruses. J. Clin. Microbiol.8, 625?628 (1978).
5. Bridger, J. C.: Detection by electron microscopy of caliciviruses, astroviruses, and rotavirus-like particles in the feces of piglets with diarrhea. Vet. Rec.107, 532?533 (1980).