1. Greywater reuse: towards sustainable water management
2. At-source domestic wastewater quality
3. APHA, AWWA, and WEF (20th ed.). 1998. “Standard methods for the examination of water and wastewater”.
4. Birks, R. Assessment of water savings from single house domestic greywater recycling systems. Efficient 2003 – 2nd int. conf. on efficient use and management of urban water supply. April, Tenerife. organized by IWA, AWWA and AEAS (11 p., on CD)
5. Characterising the quantity and quality of domestic wastewater inflows