1. Algae in waste treatment [with discussion];Oswald;Sew. Ind. Wastes.,1957
2. The Future of Public Health. Washington (DC);Institute of Medicine (US) Committee for the Study of the Future of Public Health,1988
3. The historical development of sewers worldwide;Feo;Sustainability.,2014
4. The United Nations World Water Development Report 2017. Wastewater: The Untapped Resource;WWAP, United Nations World Water Assessment Programme. Paris, UNESCO,2017
5. Sick water? The central role of wastewater management in sustainable development. A rapid response assessment;Corcoran,2010