Austin, J., R. L. Jones, D. S. McKenna, A. T. Buckland, J. Anderson, D. Fahey, C. B. Farmer, L. E. Heidt, M. Proffitt, A. F. Tuck, and J. F. Vedder (1989), Lagrangian Photochemical Modelling Studies of the 1987 Antarctic Spring Vortex, 2: Seasonal Trends in Ozone, J. Geophys. Res., 94, 16,717-16.