Antu, C.D. and Harikumar, P.S. (2007) Genesis of fluoride in the shallow unconfined aquifer of muthalmada area in Bharatapuzha Basin. Proceedings of XIX Kerala Science Congress, 29-31 January 2007, Kannur.
 Folkard, G.K., Grant, W.D. and Sutherland, J.P. (1990) Natural coagulants for small scale water treatment: Potential applications. Experiences in the Development of Small-Scale Water Resources in Rural Areas: Proceedings of the International Symposium on Development of Small- Scale Water Resources in Rural Areas. Carl Duisberg Gesellschaft, South East Asia Program Office, Bangkok, 115-123.
 Amor, Z., Malki, S., Taky, M., Bariou, B., Mameri, N. and Elmidaoui, A. (1998) Optimization of fluoride removal from brackish water by electrodialysis. Desalination, 120, 263-271. doi:10.1016/S0011-9164(98)00223-9
 Hichour, M., Persin, F., Molenat, J., Sandeaux, J. and Gavach, C. (1999), Fluoride removal from diluted solutions by Donnan dialysis with anion-exchange membranes. Desalination, 122, 53-62. doi:10.1016/S0011-9164(99)00027-2
 Rubel, J.F. (1983) The removal of excess fluoride from drinking water by the activated alumina method. In: Shupe, J.L., Peterson, H.P. and Leone, N.C. Eds., Fluoride effects on vegetation animals and humans. Paragon Press, Salt Lake City, 345-349
 Li, Y.H., Wang, S., Cao, A., Zhao, D., Zhang, X., Xu, C., Luan, Z., Ruan, D., Liang, J., Wu, D. & Wei, B. (2001) Adsorption of fluoride from water by amorphous alumina supported on carbon nanotubes. Chemical Physics Letters, 350, 412-416. doi:10.1016/S0009-2614(01)01351-3
 Christopher, J., Kenneth, G., Ishida, P. and Richard, M. (2004) Bold testing of drinking water treatment: Copolymers for compatibility with polyamide reverse osmosis membranes. 9th World Filtration Congress, 18-22 April 2004, New Orleans, 1-10.
 Srimurali, M., Pragathi, A. and Karthikeyan, J. (1998) A study on removal of fluorides from drinking water by adsorption onto low-cost materials. Environmental Pollution, 99, 285-289. doi:10.1016/S0269-7491(97)00129-2
 Kumar, S., Gupta, A. and Yadav, J.P. (2008) Removal of fluoride by thermally activated carbon prepared from neem (Azadirachta indica) and kikar (Acacia arabica) leaves. Journal of Environmental Biology, 29, 227-232.