Bioaccumulation of selected heavy metals by the water fern Azolla filiculoides Lam. in a wetland ecosystem affected by sewage, mine and industrial pollution

Factors influencing the chemical characteristics of landfill leachates

An experimental study of the effect of bed grain roughness on sediment sorting by entrainment

Minimising liquid discharge from large power plants

A database for use in the epidemiological surveillance of potential changes in drinking water quality in South Africa

A stochastic daily climate model for South African conditions

Fosfaatverwydering uit munisipale uitvloeisels deur middel van elektrochemiese koagulantproduksie

Modelling groundwater contamination in the Atlantis aquifer

Karoo aquifers: Their geology, geometry and physical properties

Research into groundwater abstraction in residential areas. Volume 1