1. Water Resources Atlas of Florida;Fernald,1985
2. Public Water Supplies of Selected Municipalities in Florida, 1970. Bureau of Geology Information Circular No. 81;Healy,1972
3. Membrane softening, a water treatment process that has come of age;Conlon;Journal AWWA,1989
4. The Cost Digest: Cost Summaries of Selected Environmental Control Technologies EPA-600/884-010;DeWolf,1984