1. Public Law 102--486, U.S. Energy Policy Act. 1992
2. The Energy Policy Act: Assessing Its Impact on Utilities;Vickers;Jour. AWWA,1993
3. Excerpt of data cited by Warren C. Liebold at the AWWA-sponsored Plumbing Fixtures/Water Conservation Workshop Washington, D.C. 1995
4. Residential Water Conservation Projects---Summary Report. Rept. HUD-PDR-903 Prepared by Brown and Caldwell Consulting Engineers for the Department of Housing and Urban Development 1984