Beattie, C., Elsom, D., Gibbs, D., Irwin, J., Jefferson, C., Ling, K., …Woodfield, N. (1999). Communication and co-operation within and between local authorities - an attempt to quantify management practices and their effect on the air quality management process. In C. Brebbia, M. Jacobson, & H. Power (Eds.), Air Pollution VII (175-186). Southampton: WIT Press