http://www.eawag.ch/organisation/abteilungen/sandec/schwerpunkte/ewm/fsm/index_EN
[Accessed: 23.06.2010]
The department of Water and Sanitation in Developing Countries (SANDEC) at the Swiss Federal Institute of Aquatic Science (EAWAG) is a centre of excellence in the domain of faecal sludge treatment and management and many helpful publications can be downloaded.