Impacts of the 2004 tsunami on groundwater resources in Sri Lanka - Illangasekare, T.; Tyler, S.W.; Clement, T.P.; Villholth, Karen G.; Perera, A.P.G.R.L.; Obeysekera, J.; Panabokke, Christopher R.; Hyndman, D.W.; Cunningham, K.J.; Kaluarachchi, Jagath J.; Yeh, W.W.G.; Genuchten, M.T. van; et al. (2006)