Treatment of exhausted reactive dyebath effluent using anaerobic digestion: Laboratory and full-scale trials
An evaluation of sorbitol-fermenting bifidobacteria as specific indicators of human faecal pollution of environmental water
Photovoltaic water pumping and its potential for application in communitu water supply in South Africa
Inter- and intraspecific allozyme comparisons of mormyrids (Pisces, Mormyridae) From South Africa and Namibia, with reference to an undescribed species
A pre-impoundment study of the Sabie-Sand River system, Mpumalanga with special reference to predicted impacts on the Kruger National Park (Volume 3)