Guidelines for the planning, design and operation of fishways in South Africa Guidelines for the planning, design and operation of fishways in South Africa
Twin-channel vertical-slot fishway and designs and tests Twin-channel vertical-slot fishway and designs and tests
Part 4: Process scale-up in the treatment of mine drainage wastewaters and the disposal of sewage sludge Part 4: Process scale-up in the treatment of mine drainage wastewaters and the disposal of sewage sludge
Environmental water quality in water resources management Environmental water quality in water resources management