1. Quality Specifications for Finished Water;Flentje,1971
2. Bean , E. L. Survey of Water Quality Control Practices, Committee of AWWA on Quality Goals for Potable Water
3. Operators Viewpoint;Baylis;Jour. AWWA,1960
4. Proposed Quality Goals for Potable Water Willing Water 1967
5. Quality Goals for Potable Water. Statement of Policy;Jour. AWWA,1968