McKenna, D. S., R. L. Jones, L. R. Poole, S. Solomon, D. Fahey, K. Kelly, M. Proffitt, W. H. Brune, M. Loewenstein, and R. Chan (1990), Calculations of Ozone Destruction During the 1988/1989 Arctic Winter, Geophys. Res. Lett., 17, 553-556.