A methods manual for the collection, preparation and analysis of diatom samples A methods manual for the collection, preparation and analysis of diatom samples
An illustrated guide to some common diatom species from South Africa An illustrated guide to some common diatom species from South Africa
Evaluating the epidemiological evidence on the effects of calcium and magnesium in drinking water on cardiovascular disease rates Evaluating the epidemiological evidence on the effects of calcium and magnesium in drinking water on cardiovascular disease rates
The first river health study is completed in the Eastern Cape The first river health study is completed in the Eastern Cape