Dye, J. E., D. Baumgardner, B. Gandrud, K. Drdla, K. Barr, D. Fahey, L. A. Del Negro, A. Tabazadeh, H. Jonsson, J. Wilson, M. Loewenstein, J. Podolske, and R. Chan (1996), In-situ observations of an Antarctic polar stratospheric cloud: Similarities with Arctic observations, Geophys. Res. Lett., 23, 1913-1916.