1. Botha, JF, Buys, J, Verwey, JP, Tredoux, G, Moodie, JW, Hodgkiss, M: Modelling groundwater contamination in the Atlantis aquifer. WRC Report No 175/1/90. Water Research Commission, P.O. Box 824, Pretoria 0001 (2004)
2. Van Tonder GJ, Botha JF, Chiang WH, Kunstmann H, Xu Y: Estimation of sustainable yields of boreholes in fractured rock formations. J. Hydrol. 2001, 241: 70-90. 10.1016/S0022-1694(00)00369-3
3. Barker JA: A generalised radial flow model for hydraulic tests in fractured rock. Water Resour. Res. 1988, 24(10):1796-1804. 10.1029/WR024i010p01796
4. Van Der Voort, I: Risk-based decision tools for managing and protecting groundwater resources. PhD dissertation, University of the Free State, P.O. Box 339, Bloemfontein (2001)
5. Atangana A: Numerical solution of space-time fractional order derivative of groundwater flow equation. International Conference of Algebra and Applied Analysis 2012, 20.