1. J. Keith Syers, Progress in the development of decadmiation of phosphorus fertilizers, Fertilizer industry Federation of Australia, Inc, Conference fertilizer in focus 28–29 (2001)
2. J. Keith Syers, the scope environmental cadmium project: implications for the fertilizer industry, 69th Ifa Annual Conference, Sydney, Australia, 21–24 (2001)
3. Assessing long-term environmental risks of trace elements in phosphate fertilizers
4. Evaluation of different phosphate amendments on availability of metals in contaminated soil
5. Cadmium and zinc in soil solution extracts following the application of phosphate fertilizers