References

• Andresen P., 1985, A&A 154, 42
• Baudry A., Diamond P.J., 1998, A&A 331, 697 NASA ADS
• Bloemhof E.E., Moran J.M., Reid M.J., 1996, ApJ 467, L117 NASA ADS
• Combi M.R., Brown M.E., Feldmann P.D., et al., 1998, AJ 494, 816 NASA ADS
• Destombes J.L., Marliere C., Baudry A., Brillet J., 1977, A&A 60, 55 NASA ADS
• van Dishoeck E.F., Dalgarno A., 1984, ApJ 277, 576
• Elitzur M., 1992, Astronomical Masers. Kluwer
• Goorvitch D., Goldman A., Dothe H., Tipping R.H., Chackerian C. Jr., 1992, J. Geophys. Research 97, 20771
• Handbook of Chemistry and Physics, 1966, Weast R.C., Selby S.M. (eds.). The Chemical Rubber Co., Cleveland, Ohio
• Häusler D., Andresen P., Schinke R., 1987, JCP 87, 3949
• Nee J.B., Lee L.C., 1984, JCP 81, 31
• Schultz D., Li G.S.H., Scherb F., Roesler H.L., 1992, Icarus 96, 190 NASA ADS
• Thissen T., Wurps H., Spiecker H., ter Meulen J.J., Andresen P. (submitted to A&AS Feb. 1999)
• Watanabe K., Zelikoff M., 1952, J. Opt. Soc. Am. 43, 753
• Wurps H., 1997, University of Bielefeld, PhD Thesis