The tank model in rainfall-runoff modelling

Apparatus for sampling of streams for chemical quality and sediment

A correlation model for calculating groundwater level responses in the Sishen North Mine

Changes in turbidity as a result of mineralisation in the lower Vaal River

Application of a Tetrahymena pyriformis bioassay system for the rapid detection of toxic substances in wastewaters

Annual Report 1982

Composition of fish filleting wastewater

Trace metal surveys in Mossel Bay, St Francis Bay and Algoa Bay

Technical Note: Temperature control for laboratory scale anaerobic digesters

Utilization and effects of anaerobically digested sludge on a red sandy soil of Natal