1. Slater D, Floyd M, Wimpenny DE. A summary of the Highways Agency thaumasite investigation in Gloucestershire: the scope of work and major findings. In: First International Conference on Thaumasite in Cementitious Materials, BRE, June 2002 (paper No. 1101)
2. Floyd M, Wimpenny DE. Procedures for assessing thaumasite sulfate attack and adjacent ground conditions at buried concrete structures. In: First International Conference on Thaumasite in Cementitious Materials, BRE, June 2002 (paper No. 1102)
3. Reid JM, Czerewko MA, Cripps JC. Sulfate specification for structural backfills. Report 447, TRL Limited, Crowthorne, 2001
4. Czerewko MA, Cripps JC, Reid JM, Duffell CG. An investigation into the effects of storage conditions on the sulfur speciation in geological material. Quart. J. Eng. Geol. Hydrogeol. 2003; in press
5. Shaw HF. Mineralogy of the Lower Lias Clay and the influence of soils and groundwater chemistry on thaumasite formation. Thaumasite Investigation Project, Halcrow Group Ltd., 1998, unpublished report