1. Monitoring Environment Progress;World Bank,1995
2. The Brundtland Report, Our Common Future;World Commission on Environment and Development (WCED),1987
3. Indicators of Sustainable Development for the United Kingdom;Government Statistic Office of UK,1996
4. Decision support systems for implementing the European water framework directive: The MULINO approach;Carlo;Environmental Modelling & Software,2007
5. United Nations Environment Programme Guidelines for AEO Cities Integrated Environmental Assessment and Reporting,2005