1. Abu Al Enien H. (1996) Wadi Al Bih Alluvial Fan Water Resources [Z]. Geographic Department, Kuwait University and Kuwait Geographic Association. No. 189, 78p (in Arabic).
2. Al Asam M.S. (1998) Application of Geophysical and Geochemical Techniques for the Assessment of Groundwater Recharge from Wadi Al Bih Dams, Ras Al Khaimah, United Arab Emirates [D]. MSc Thesis, UAE University, Al Ain, Untied Arab Emirates.
3. Al Wahedi A.A. (1997) Application of Hydrogeochemistry and Groundwater Modeling Techniques for Assessment of Water Resources of Wadi Al Bih Drainage Basin, Ras Al Khaimah Area, United Arab Emirates [D]. MSc Thesis, UAE University, Al Ain, Untied Arab Emirates.
4. Barnes C.J. and Allison G.B. (1988) Tracing of water movement in the unsaturated zone using stable isotopes of hydrogen and oxygen [J]. Journal of Hydrology. 100, 143–176.
5. Cappa C.D., Hendricks M.B., DePaolo D.J., and Cohen R.C. (2003) Isotopic fractionation of water during evaporation [J]. Journal of Geophysical Research-Atmospheres. 108 (D6), 1–10.