1. The relation between ozone, NOx and hydrocarbons in urban and polluted rural environments
2. Royal Society (2008) Ground-Level Ozone in the 21st century: Future Trends, Impacts and Policy Implications.(Royal Society, London) Science Policy report 1508
3. World Health Organization (2006) Air Quality Guidelines: Global Update 2005, Particulate Matter, Ozone, Nitrogen Dioxide and Sulphur Dioxide (WHO Regional Office for Europe, Copenhagen)
4. US Environmental Protection Agency (2013) Integrated Science Assessment for Ozone and Related Photochemical Oxidants. (US EPA, Research Triangle Park, NC) EPA 600/R-10/076F
5. Long-Term Ozone Exposure and Mortality