2007, Keckhut, P., C. David, M. Marchand, S. Bekki, J. Jumelet, A. Hauchecorne, and M. Höpfner, Observation of Polar Stratospheric Clouds down to the Mediterranean coast, Atmospheric Chemistry and Physics, 7, 5275-5281
Tags: Lidar, PSC
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