https://vital.seals.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Removal of lead from solution by the non-viable biomass of the water fern Azolla filiculoides https://vital.seals.ac.za/vital/access/manager/Repository/vital:3901 Wed 12 May 2021 17:35:49 SAST ]]> Capsule immobilisation of sulphate-reducing bacteria and application in disarticulated systems https://vital.seals.ac.za/vital/access/manager/Repository/vital:3935 Wed 12 May 2021 15:49:47 SAST ]]>