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
1983, Mastenbrook, H.J., Oltmans, S. J, Stratospheric water vapor variability for Washington, DC/Boulder, CO: 1964–82, Journal of the Atmospheric Sciences, 40, 2157–2165
Tags: H2O, Sonde