The phosphorus cycle in Germiston lake. II the in vitro and in situ absorption of 32p by Potamogeton Pectinatus l
A simple scheme for controlling dissolved oxygen and measuring oxygen utilization rate in lab-scale activated sludge units
Observations on the suitability of various dry feeds for the commercial rearing of carp, Cyprinus Carpio larvae in South Africa
A note on the effect of chlorination of sewage effluents on faecal coliform to faecal Streptococci ratios in the differentiation of faecal pollution sources
An analysis of medium and long duration extreme rainfalls in the Southern Cape coastal lakes region for the purposes of flood hydrograph generation