1. World Commission on Environment and Development (WCED). Our common future (The bruntland report). Oxford University Press; 1987. p. 43
2. The UK Government Sustainable Development Strategy. “Securing the future — delivering UK sustainable development strategy”. Presented to Parliament by the Secretary of State for Environment, Food and Rural Affairs. March 2005
3. European Construction Industry Federation. www.fiec.org. 2005
4. The Health and Safety Executive. Statistics of workplace fatalities and injuries in Great Britain. International comparisons. 2000
5. Symonds Report to DGXI European Commission (1999). Construction and demolition waste management practices, and their economic impacts. p. 7