Viljoen, P.R.; Scheuber, J.R.; Du Toit, P.J.
(Pretoria : Government Printer and Stationery Office, 1926)
(1) Blackquarter has been known to exist in South Africa ever since the first veterinarians came to this country. At the present time it is widespread, occurring as an enzootic in many parts of the country, and being ...
