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2. APHA, AWWA, & WPCF (1995). Standard methods for the examination of water and wastewater (19th ed.). Washington: APHA
3. A small-scale study of wastewater discharges from domestic appliances;Butler;Journal of the Institution of Water and Environmental Management,1991
4. The influence of dwelling occupancy and day of the week on domestic appliance wastewater discharge;Butler;Building and Environment,1993
5. Modelling dry weather wastewater flow in sewer networks;Butler;Journal of the Environmental Engineering Division, American Society of Civil Engineers,1995