1. Adams, M.D. (2001) Deliberating precaution (and the precautionary principle) in the United Kingdom, Centre for Science Studies, p. 357. Lancaster: Lancaster University.
2. Beck, U. (1992) Risk Society: Towards a New Modernity, London: Sage Publications.
3. Boehmer-Christiansen, S. (1994) The precautionary principle in Germany: enabling government, in T. O'Riordan and J. Cameron (eds) Interpreting the Precautionary Principle, pp. 31-60. London: Earthscan Publications Ltd.
4. Command Paper 2100 (1990) This Common Inheritance, p. 283, London: HMSO.
5. COM (2000) 1. Communication from the Commission on the Precautionary Principle, Brussels: Commission of the European Communities.