1. Geohydrologic reconnaissance of the Upper Potomac River Basin: U.S;Trainer,1975
2. Elements of applied hydrology;Johnstone,1949
3. Handbook of the principles of hydrology;Gray,1970
4. Estimating the ground-water contribution to storm runoff by the electrical conductance method;Visocky;Ground Water,1970
5. Use of specific conductance to distinguish two base-flow components in Econfina Creek, Florida. U.S;Toler,1965