1. Alagumuthu, G. and Rajan, M. (2008) Monitoring of Fluoride Concentration in Ground Water of Kadayam Block of Tirunelveli District, India: Correlation with Physico-Chemical Parameters, Rasayan Jour. Chem., v.1(4), pp.757–765.
2. APHA (2005) Standard Method for the Examination of Water & Wastewater. American Public Health Association, 21st Edition (Centennial Edition); Eaton, A.D., Clesceri, L.S., Rice, E.R., Greenbery, A.E. (Eds).
3. Atal, S., Pauwels, H. and Ahmed, S. (2008) Geogenic fluoride contamination in granitic hard rock aquifer, India, 33rd IGC, Oslo.
4. BIS (1991) Bureau of Indian Standards, Drinking water specification (First Revision) IS 10500.
5. BIS (2003) Drinking water specifications, IS 10500. Bureau of Indian Standards, New Delhi.