[[Image:compendium.jpg|thumb|right|130px|[http://www.eawag.ch/organisation/abteilungen/sandec/publikationen/compendiumcompendium_e/index_EN Download the Eawag Compendium of Sanitation Systems and Technologies!]]]
The material on this page was adapted from: Tilley, E. et al. (2008). [http://www.eawag.ch/organisation/abteilungen/sandec/publikationen/compendium/index_EN Compendium of Sanitation Systems and Technologies], published by [http://www.eawag.ch/organisation/abteilungen/sandec/index_EN Sandec], the Department of Water and Sanitation in Developing Countries of [http://www.eawag.ch/index_EN Eawag], the Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland. The publication is available in English, French, and will be made available in Spanish. [http://www.irc.nl/docsearch/title/163208 Available in the IRC Digital Library]