1. Optimal Diameter Selection for Pipe Networks;Featherstone,1983
2. Selecting Optimal Pipe Sizes for Water Distribution Systems;Walski;Journal of American Water Works Association,1988
3. Optimization of looped Water Distribution Systems;Quindry,1981
4. Reorganization of Water Distribution System;Swamee,1990
5. Least Cost Design of Water Distribution System;Watanatada,1973