7SIMON T P. The use of biological criteria as a tool for water resource management [ J]. Environmental Science & Policy 2000 (3) : 43 - 49.
8OKUN D A. Water reclamation and unrestricted non - potable reuse : A New Tool in Urban Water Management [J]. Annual Reviews of Public Health, 2000 (21) : 223 -245.
9SAWUNYAMA T, SENZANJE A, MHIZHA A. Estimation of small reservoir storage capacities in Limpopo River Basin using gcographical information systems (GIS) and remotely sensed surface areas : Case of Mzingwane catchments [ J ]. Physics and Chemistry of the Earth, 2008, 31 (15-16): 935-943.
10John C. Tate. Water supply in the UK: Towards amore sustainable future? [ J ]. Sustainable Development, 2000 (8) : 155 - 164.