1. Manual of Water Supply Practices,1988
2. A report originally prepared by Technical Working Group of Waste of Water,1985
3. Water Conservation Techniques and Experiences;Sullivan;Journal of the New England Water Works Association,1980
4. The Economics of Leak Detection and Repair - A Case Study;Moyer;American Water Works Association Journal,1983
5. Leak Detection and Unaccounted Water Analysis;Babcock;Journal of the New England Water Works Association,1984