1. Ball, D .J. (1998) The risks and benefits of sports and exercise: Part I - assessing the risks. Sports Exercise and Injury 4, 3-9.
2. Ball, D.J. and Roberts, L.E.J.R. (1995) Risks of seven UK electricity generation options: Part I: routine operations. Energy and the Environment 6, 283-335.
3. Ball, D.J. and Golob, L. (1997) Risk ranking, in B-M. Drottz-Sjöberg (ed.) "New risk frontiers,' Proceedings of the 10th Anniversary Conference of the society for Risk Analysis in Europe, pp. 606-14. Stockholm: Centre for Risk Research. Stockholm School of Economics.
4. Ball, D.J. and Floyd, P.J. (1998) Societal Risks, available from Health & Safety Executive. Risk Assessment Policy Unit. Rose Court. Southwark Bridge. London SCI 9HS.
5. Ball, D.J., Ives, O.P., Wilson, I.G. and Postal, M. (1998) The Optimisation of Consumer Safety. available from Department of Trade and Industry. Consumer Affairs and Competition Policy Directorate. 1 Victoria St. London SWlH 0ET.