Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Spickett, Arthur M.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1987)
Socio-economic factors and environmental considerations have increasingly encouraged the search for methods of tick control other than acaricidal treatment. Biological control management regimes have, so far, not proved ...