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
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