1. EEA, “Late Lessons from Early Warnings: The Precautionary Principle 1896–2000”, European Environment Agency, Copenhagen, Denmark, 2001.
2. Environmental risk and the precautionary principle: “Late Lessons from Early Warnings applied to Genetically Modified Plants”;Aslaksen;J. Risk Res.,2006
3. Biosafety First: Holistic approaches to Risk and Uncertainty in Genetic Engineering and Genetically Modified Organisms”;Traavik,2007
4. Royal Society, Nanoscience and Nanotechnologies: Opportunities and Uncertainties, London, 2003. Available from: .
5. T. Stewart, Report on mobile phones and health, IEGMP, NRPB, 2000. Available from: .