Mills G, Hayes F, Norris D, Hall J, Coyle M, Cambridge H, Cinderby S, Abbott J, Cooke S, Murrells T.
Impacts of Ozone Pollution on Food Security in the UK: A Case Study for Two Contrasting years, 2006 and 2008. Defra; 2011. Available from:
http://icpvegetation.ceh.ac.uk/ and http://uk-air.defra.gov.uk/library/