1. A. Goosens, Verwertung von Wasserwerksschlamm und deren Probleme. GWF- Wass.Abwass. (1996) 137, c.14, Spec., s. 17–20.
2. Recovery of iron coagulants from tehran water-treatment-plant sludge for reusing in textile wastewater treatment;Vaebi;Iran. J. Public Health,2001
3. Opportunities for water treatment sludge reuse;Miroslav;J. Geosci. Eng.,2008
4. Refractory mortars made of different wastes and natural sub-products;Pereira;Key Eng. Mater.,2004
5. Water Supply;Twort,2005