1. Guthrie VA, Kleeman JD (1986) Changing uranium distributions during weathering of granite. Chem Geol 54:113–126
2. Hess CT, Michel J, Horton TR, Prichard HM, Conigilio WA (1985) The occurrence of radioactivity in public water supplies inthe United States. Health Phys 48:553–586
3. Langmuir D (1997) Aqueous environmental geochemistry, vol7th edn. Prentice Hall, New York
4. Shivanna K, Tirumalesh K, Noble J, Joseph TB, Singh G, Joshi AP, Khati VS (2008) Isotope techniques to identify recharge areas of springs for rainwater harvesting in the mountainous region of Gaucher area, Chamoli District. Uttarakhand Curr Sci 94(8):1003–1011
5. Rao SM, Kulkarni KM (1997) Isotope hydrology studies on water resources in western Rajasthan. Curr Sci 72:55–61