1992, Peter, R., Kampfer, N., Radiometric Determination of Water Vapor and Liquid Water and its Validation with Other Techniques, Journal of Geophysical Research: Atmospheres, 97(D16), 18173-18183
Tags: CalVal, H2O, Microwave
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