1. The environmental benefits of water recycling and reuse;Anderson;Water Supply,2003
2. The effect of chelating agents on soil sodicity;Ashworth;Soil Sediment Contam.,2007
3. Experimental research on soil salinity and ion exchange and transport in sewage irrigated soil under simulated recycled water irrigation [in Chinese];Bao;J. Agro-Environ. Sci.,2009
4. Beijing Water Authority 2011 http://www.bjwater.gov.cn/tabid/207/Default.aspx