Verberg R.. Hydrogeochemical Considerations Related to Disposal of Thickened Tailings, Including Paste. Presented at the 2008 workshop.
Verburg R.. Surface Paste Disposal of High-Sulfide Tailings - Monitoring and Prediction of Drainage Chemistry based on Bench-Scale Testing, Field Cells and Pilot Plant Testing. Presented at the 2005 workshop.
Verburg R. and M. Oliveira. Surface Paste Disposal of High-Sulphide Tailings at Neves Corvo - Evaluation of Environmental Stability and Operational Experience. Presented at the 2015 workshop.