1. “Regional Ground-Water Management,”;Helweg;Ground Water Monitoring Review,1978
2. “Underground Reservoirs to Control the Water Cycle.”;Ambroggi;Scientific American,1977
3. “Water Use, Consumption, and Outlook in the U.S. in 1970.”;Murray;Journal of the American Water Works Association,1973
4. Groundwater Hydrology;Todd,1980
5. Groundwater;Freeze,1979