1. Mapping, Characterisation and Monitoring of Highveld Peatlands. Compilation of Existing Data and Evaluation of Inventory Methodology;Grundling,1999
2. Proposed Wetland Classification System for South Africa (First Draft);Dini,1998
3. The karst fens of South Africa;Grundling;IMCG Newsletter,2001
4. Artificial Recharge and Pollution Aspects in the Dolomitic Aquifers, Turffontein Area;Fleischer,1979