4[7]Ostfeld A.Reliability analysis of regional water distribution systems.Urban Water,2001,(3):253～260
5Abu -Zeid M A. Water and sustainable development: the vision for world water, life and the enviromnent [ J 1. Water Policy, 1998, 1 ( 1 ) :9 - 19.
6Jowitt P W, Xu C C. Optimal valve control in water distribution networks [ J ]. J Water Resource Planning & Management, ASCE, 1990, 116(4) :455 -472.
7Lambert A, Hirner W. Water losses from water supply systems : standard terminology and recommended performance measures, IWA -The blue pages [ A ] 2000.
