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Rothermel H, Käufl HU, Yu Y. A heterodyne spectrometer for astronomical measurements at 10 micrometers. A&A. 1983;126:387–92.
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Kaeufl HU, Rothermel H, Drapatz S. Indication for H2O in the upper atmosphere of Mars. A&A. 1984;141:430–2.
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Johnson MA, Betz AL, McLaren RA, Townes CH, Sutton EC. Nonthermal 10 micron CO2 emission lines in the atmospheres of Mars and Venus. A&A. 1976;208:145.
Keywords: carbon dioxide, emission spectra, infrared spectra, mars atmosphere, nonthermal radiation, optical heterodyning, planetary radiation, venus atmosphere, absorption spectra, energy transfer, line spectra, molecular absorption, molecular collisions, near infrared radiation, solar flux
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Rothermel H, Käufl HU, Schrey U, Drapatz S. Thermal structure of the Martian mesosphere. A&A. 1988;196:296–300.
Keywords: atmospheric temperature, carbon dioxide, infrared spectroscopy, mars atmosphere, mesosphere, emission spectra, line spectra, spatial resolution, mars, atmosphere, mesosphere, structure, thermal properties, spectra, spectroscopy, earth-based observations, temperature, patterns, infrared, polar regions, wavelengths, equipment, procedure, carbon dioxide, emissions
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Käufl HU, Rothermal H, Drapatz S. Investigation of the Martian atmosphere by 10 micron heterodyne spectroscopy. A&A. 1984;136:319–25.
Keywords: astronomical spectroscopy, atmospheric composition, infrared astronomy, mars atmosphere, spectral line width, carbon dioxide concentration, nonequilibrium thermodynamics, optical heterodyning, planetary radiation, mars, atmosphere, spectroscopy, atmosphere, carbon dioxide, altitude, kinetics, rotation, thermal properties, temperature, emissions, intensity, models, data, spectra
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