1. Bignell, K.J., 1970, “The Water-Vapour Infrared Continuum,” QJRMS, 96 390–403.
2. Burch, D.E., 1970, “Investigations of the Absorption of Infrared Radiation by Atmospheric Gases.” Semi-annual technical report, Contr. Nr. F 19628-69-C-0263, Philco-Ford-Corp.
3. Downing, H.O. and Williams, D., 1975, “Optical Constants of Water in the Infrared,” J. Geoph, Res., 80 1656–1661.
4. Gebbie, H.A., Burroughs, W.J., Chamberlain, J., Harris, J.E. and Jones, R.G., 1969, “Dimers of the Water Molecule in the Earth’s Atmosphere,” Nature, 221, 143.
5. Grassl, H., 1973, “Separation of Atmospheric Absorbers in the 8–13 µm Region,” Contr. Atm. Phys., 46 75–88.