1989, Johnston, P.V., R. L. McKenzie, NO2 observations at 45°S during the decreasing phase of Solar Cycle 21, from 1980 to 1987, Journal of Geophysical Research, 94, 3473-3486
Tags: NO2, UVVis
1989, Zander, R., Ph. Demoulin, D. H. Ehhalt, U. Schmidt, and C. P. Rinsland, Secular increase of the total vertical column abundance of carbon monoxide above central Europe since 1950, Journal of Geophysical Research, 94, 11,020-11,028
Tags: CO, FTIR