Experiments and modelling on biomass transport inside upflow sludge blanket reactors intermittently fed
Comparison of bromide and nitrate transport in the Bainsvlei soil of South Africa under natural rainfall
A study of the water quality of the Mhlathuze River, KwaZulu-Natal (RSA): Microbial and physico-chemical factors
Distribution and habitats of Biomphalaria pfeifferi, snail intermediate host of Schistosoma mansoni, in South Africa