Polar Stratospheric Cloud Processed Air and Potential Vorticity in the Northern Hemisphere Lower Stratosphere at Mid-Latitudes During Winter

Tuck, A.F., T. Davies, S.J. Hovde, M. Noguer-Alba, D.W. Fahey, S.R. Kawa, K. Kelly, D. Murphy, . Proffitt, J. Margitan, M. Loewenstein, J.R. Podolske, S. Strahan, and . Chan (1992), Polar Stratospheric Cloud Processed Air and Potential Vorticity in the Northern Hemisphere Lower Stratosphere at Mid-Latitudes During Winter, J. Geophys. Res., 97, 7883-7904.