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
Hofmann, D.J., Oltmans, S.J., Lathrop, J.A., Harris, J.M., Vomel, H., Record Low Ozone at the South Pole in the Spring of 1993, Geophysical Research Letters, 21(6): 421-424
Tags: Ozone, Polar, Sonde