1. Standard methods for the examination of water and wastewater;APHA,1998
2. 1998 residential water use survey;AWWA,1998
3. Residential end uses of water;AWWARF,1999
4. Bathroom greywater characterization and potential treatments for reuse;Chaillou;Water Air Soil Pollut,2011
5. Water treatment: principles and design;Crittenden,2005