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, and U. Schmidt, Secular increase of the vertical column abundance of methane derived from IR solar spectra recorded at the Jungfraujoch station, Journal of Geophysical Research, 94, 11,029-11,039
Tags: CH4, FTIR