1. AEA Technology (2005). The validity of food miles as an indicator of sustainable development. Report No. ED 50254. London: DEFRA. Retrieved on 18 October 2007 from
http://statistics.defra.gov.uk/esg/reports/foodmiles/execsumm.pdf
.
2. Bielak, A. T., Howell, G., Enros, P. & Hempel, P (2002). Advances in developing a science communications curriculum, communications tools and best practices in the Department of the Environment, Canada. Conference on Communicating the Future: Best Practices for Communicating Science and Technology to the Public. Washington DC: United States Department of Energy and National Institute of Standards and Technology. Retrieved on 8 October 2007 from
http://www.nist.gov/public_affairs/Posters/sciencecomm.htm
.
3. Bochel, H. & Shaxson, L (2007). Forward looking policy making. In H. Bochel & S. Duncan (Eds.), Making policy in theory and practice. Bristol: The Policy Press.
4. Campbell, A. (2006). The Australian NRM knowledge system. Occasional paper. Canberra: Land & Water Australia. Retrieved on 10 October 2007 from
http://www.lwa.gov.au/downloads/publications_pdf/PR061081.pdf
.
5. Campbell, A. & Schofield, N. (2007). The getting of knowledge. Occasional paper. Canberra: Land & Water Australia. Retrieved on 10 October 2007 from
http://www.lwa.gov.au/downloads/publications_pdf/PR061240.pdf
.