8"Local Development Scheme 2004-2007",P5-P6,Cambridge City Council,2005.
9"A Better Quality of Life:A Strategy for Sustainable Development for the UK",CM4345,the Secretary of State for Environment,Food and Rural Affairs,UK,1999.
10"Directive on the Assessment of the Effects of Certain Plans and Programs on the Environment" (2001/42EC),European Parliament and Council,2001.