1. DEFRA 2005 http://www.defra.gov.uk/environment/waste/hazforum/pdf/hwf-3-5iv.pdf
2. Environmental Services Association (ESA) 2005 http://www.esauk.org/waste/incineration/residue.asp
3. WRc Ref:/11873-0 2004
4. http://www.minosus.co.uk/
5. Air Pollution Control Residues from Waste Incineration;Amutha Rani;Current UK Situation and Assessment of Alternative Technologies,2008