Simpson, D., Winiwarter, W., Borjesson, G.,
Cinderby, S., Ferreiro, A., Guenther, A., Hewitt, C. N., Janson, R., Khalil, M. A. K., Owen, S., Pierce, T. E., Puxbaum, H., Shearer, M., Skiba, U., Steinbrecher, R., Tarrason, L. & Oquist, M. G.,
20 Apr 1999Literature review in Journal of Geophysical Research: Atmospheres