* The material on this page was adapted from[[Image: Tilley, E. et al. (2008)eawag compendium cover. [png|right|110px|link=http://www.eawag.ch/organisation/abteilungenforschung/sandec/publikationen/compendiumsesp/dl/index_EN Compendium of Sanitation Systems and TechnologiesCompendium_2nd_Ed_Lowres_1p.pdf]]. Eawag: The Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland.
[[ImageThe material on this page was adapted from:compendium<br> Elizabeth Tilley, Lukas Ulrich, Christoph Lüthi, Philippe Reymond and Christian Zurbrügg (2014).jpg|thumb|right|120px|[httphttps://www.eawag.ch/organisationen/abteilungendepartment/sandec/publikationenpublications/compendium/index_EN Download the Eawag 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. * [http://www.sswm.info/sites/default/files/reference_attachments/TILLEY%20et%20al%202014%20Compendium%20of%20Sanitation%20Systems%20and%20Technologies%20-%202nd%20Revised%20Edition.pdf Alternative Compendium link]. The 2nd edition publication is available in English. French and Spanish are yet to come.