Tyrrel D.A.J., ea 1978
Tyrrel D.A.J., Alexander D. J., Almeida J. D. et al. Coronaviridae: second report. Interviroiogy, 1978, v. 10, p. 321-328.
Tyrrel D.A.J., Alexander D. J., Almeida J. D. et al. Coronaviridae: second report. Interviroiogy, 1978, v. 10, p. 321-328.
