1. Age of extremes––the short twentieth century 1914–1991;Hobsbaum,1995
2. The contest between a clever virus and a facultatively clever host;Loefler;J. Roy. Soc. Med,2002
3. Prions;Prusiner,1998
4. Location and properties of metal-binding sites on the human prion protein;Jackson;Proc Nat Acad Sci USA,2001
5. Phillips Report on the BSE Enquiry. TSO 2000 (see also http://www.bse.org.uk/)