1. Two new methods for the determination of hydraulic fracture apertures in fractured-rock aquifers;Akoachere;Water SA,2009
2. Allen, D.J., Brewerton, L.J., Coleby, L.M., Gibbs, B.R., Lewis, M.A., MacDonald, A.M., Wagstaff, S.J. and Williams, A.T. 1997. The physical properties of major aquifers in England and Wales. In: British Geological Survey Technical Report WD/97/34. Environment Agency R&D Publication 8. British Geological Survey Technical Report WD/97/34.
3. Characterisation of hydrogeologically significant fracture distributions in the Chalk: an example from the Upper Chalk of southern England;Bloomfield;J. Hydrol.,1996
4. Assessment of the use of fluorescent tracers in a contaminated Chalk aquifer;Bottrell;Q. J. Eng. Geol. Hydrogeol.,2010
5. Boulding, J. 1993. Subsurface characterization and monitoring techniques. A desk reference guide. In: Volume I: Solids and Ground Water Appendices A and B. EPA/625/R-93/003a. Washington, DC.