Salawitch, R., S. C. Wofsy, E. Gottlieb, L. R. Lait, P. Newman, M. R. Schoeberl, M. Loewenstein, J. Podolske, S. Strahan, M. Proffitt, C. R. Webster, R. May, D. Fahey, D. Baumgardner, J. E. Dye, J. Wilson, K. Kelly, J. W. Elkins, R. Chan, and J. Anderson (1993), Chemical Loss of Ozone in the Arctic Polar Vortex in the Winter of 1991-1992, Science, 261, 1146-1149.