Simard, C., & Morley, R. S. (1991). Seroprevalence of maedi-visna in Canadian sheep.
Chicago Style CitationSimard, C., i R S. Morley. Seroprevalence of Maedi-visna in Canadian Sheep. 1991.
Cita MLASimard, C., i R S. Morley. Seroprevalence of Maedi-visna in Canadian Sheep. 1991.
Atenció: Aquestes cites poden no estar 100% correctes.