1991, Ehhalt, D.H., U. Schmidt, R. Zander, Ph. Demoulin, and C. P. Rinsland, Seasonal cycle and secular trend of the total and tropospheric column abundance of ethane above the Jungfraujoch, Journal of Geophysical Research, 96, 4985-4994
Tags: C2H6, FTIR
1990, Rosen, J.M., N.T.Kjome, S.J. Oltmans, Observations of backscatter, particle concentration and frost point in north polar vortex stratospheric clouds, Geophysical Research Letters, 17, 1271-1274
Tags: Aerosol, H2O, PSC, Sonde
1989, Rosen, J.M., S.J. Oltmans, W.F. Evans, Balloon borne observations of PSCs, frost point, ozone and nitric acid in the north polar vortex, Geophysical Research Letters, 16, 791-794
Tags: H2O, HNO3, Ozone, PSC, Sonde