1. Radionuclides, Advance Notice of Proposed Rulemaking;National Primary Drinking Water Regulations;Fed. Reg.,1986
2. Radium, Radon, and Uranium Isotopes in Groundwater From Cambrian-Ordovician Sandstone Aquifers in Illinois.;Gilkeson,1987
3. Strong-Acid Ion Exchange for Removing Barium, Radium, and Hardness.;Snoeyink;Jour. AWWA,1987
4. Weak-Acid Ion Exchange for Removing Barium, Radium, and Hardness.;Snyder;Jour. AWWA,1986
5. Removing Barium and Radium Through Calcium Cation Exchange;Myers;Jour. AWWA,1985