1. Ships in the night and the quest for safety;Ball;Inj. Control Saf. Promot.,2000
2. Playgrounds—risks, benefits and choices;Ball,2002
3. Smoke from diesel-engined road vehicles: an investigation into the basis of British and European emission standards;Ball;Atmos. Environ.,1983
4. Towards a coherent industrial safety and environmental risk management philosophy in the United Kingdom;Ball;Int. J. Environ. Pollut.,1996
5. PCBs, dioxins and furans in the Pontypool environment;Ball,1993