Monks, P. S., Granier, C., Fuzzi, S., Stohl, A., Williams, M. L., Akimoto, H., … von Glasow, R. (2009). Atmospheric composition change - global and regional air quality. Atmospheric Environment, 43(33), 5268-5350. https://doi.org/10.1016/j.atmosenv.2009.08.021