Trace metal pollution in Umtata River

Faecal indicator organisms in the Renoster Spruit system of the Modder-Riet River catchment and implications for human users of the water

Influence of the COD to sulphate ratio on the anaerobic organic matter degradation kinetics

The effect of media on evaluating the phosphate uptake capacity of activated sludge bacterial isolates

Effect of solution physical chemistry on the rheological properties of activated sludge

The effect of irrigation uniformity on irrigation water requirements

Water quality management for small communities: WATTREAT guidelines manual

SA Waterbulletin March 2002

Manual on pumping test analysis in fractured-rock aquifers

Guides to the freshwater invertebrates of Southern Africa Vol 5: Non-Arthropods