1. Coffey, M. T., Mankin, W. G., and Goldman, A., 1981, Simultaneous spectroscopic determination of the latitudinal, seasonal and diurnal variability of stratospheric N2O, NO, NO2 and HNO3, J. Geophys. Res. 86, 7331?7341.
2. Girard, A., Besson, J., Giraudet, R., and Gramont, L., 1978/79, Correlated seasonal and climatic variations of trace constituents in the stratosphere, Pure Appl. Geophys. 117, 381?394.
3. Girard, A., Fergant, G., Gramont, L., Lado-Bordowsky, O., Laurent, J., Le, Boiteux, S., Lemaitre, M. P., and Louisnard, N., 1983, Latitudinal distribution of ten stratospheric species deduced from simultaneous spectroscopic measurements, J. Geophys. Res. 88, 5377?5392.
4. Hartmann, G. K., 1982, Simultane Spurengasmessungen mit Mikrowellen, optischen and chemischen Verfahren ? SIMOC Abschlussbericht, Max Planck Institut für Aeronomie, MPAE-W-66-82-15, 123 pages, Fed. Rep. Germany.
5. Hudson, R. (ed.), 1982, The stratosphere 1981: Theory and measurement, WMO Global Ozone Research Monitoring Project, Report No. 11.