Water level response in fractured rock aquifers underlying irrigated lands – a study in the lower Great Fish River Valley

Eutrophication control: a look into the future

The effects of generally used anticoagulants on the haemolysis of fish erythrocytes

Exploratory study on activated sludge bulking and foaming problems in Southern Africa (1983-1984)

SA Waterbulletin February 1985

Preliminary investigations on the cryopreservation of Clarias gariepinus (Clariidae: Pisces) sperm

Cage culture of Mozambique tilapia, Oreochromis mossambicus without artificial feeding in maturation ponds of the Phuthaditjhaba sewage system

Influence of nitrates on biological phosphorus removal from wastewater

The chemical composition of Transkei river water

The water quality of a small urban catchment near Durban, South Africa