Stampa, S.; Fiedler, O.G.H.; Du Toit, R.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E.
(Published by The Government Printer, Pretoria, 1958)
A large number of field trials under close supervision was conducted in the blowfly areas of the Karoo to investigate certain biological aspects of blowfly
strike as well as the protection afforded to sheep by the ...