Beattie, C., Elsom, D., Gibbs, D., Irwin, J., Jefferson, C., Longhurst, J., …Whitwell, I. (1998). Regional developments in Air Quality Management (AQM) in the United Kingdom – Evidence from a study of South West England. In C. Brebbia, C. Ratto, & H. Power (Eds.), Air Pollution VI (319-333). Southampton: WIT Press