Ozone and aerosol changes observed during the 1991-92 Airborne Arctic...
Browell, E., C. F. Butler, M. A. Fenn, W. B. Grant, S. Ismail, M. R. Schoeberl, B. Toon, M. Loewenstein, and J. Podolske (1993), Ozone and aerosol changes observed during the 1991-92 Airborne Arctic Stratospheric Expedition, Science, 261, 1155-1158.