1. Agarwal V, Jagetai M (1997) Hydrochemical assessment of ground- water quality in Udaipur city, Rajasthan, India. In: Proceedings of national conference on dimensions of environmental stress in India. Department of geology, MS University, Baroda, India, pp 151–154
2. Agbalagba OE, Agbalagba OH, Ononugbo CP, Alao AA (2011) Investigation into the physico-chemical properties and hydrochemical processes of groundwater from commercial boreholes In Yenagoa, Bayelsa State, Nigeria, African. J Environ Sci Technol 5(7):473–481
3. APHA (2005) Standard Methods for the Examination of Water and Waste Water, 21st edn. American Public Health Association, Washington, DC
4. Ayers RS, Westcot DW (1994) Water quality for agriculture: FAO irrigation and drainage. Paper 29:1–30
5. Beaucaire C, Gassama N, Tresonne N, Louvat D (1999) Saline ground-water in the Hercynian granites (Chardon Mine, France): geochemical evidence for the salinity origin. Appl Geochem 14:67–84