1. Public Law 93-253. Safe Drinking Water Act, 93rd Congress, Washington, D.C., Dec. 1974
2. Control of Water Quality in Transmission and Distribution Systems.;Rossie;Jour. AWWA,1975
3. Detection of Elevated Levels of Coliform Bacteria in a Public Water Supply-Connecticut.;Morbidity and Mortality Weekly Rept.,1985
4. A,1983