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Stratospheric sulfate aerosol in and near the northern hemisphere polar vortex:...

Wilson, J., M. R. Stolzenburg, W. E. Clark, M. Loewenstein, G. V. Ferry, R. Chan, and K. Kelly (1992), Stratospheric sulfate aerosol in and near the northern hemisphere polar vortex: The morphology of the sulfate layer, multimodal size distribution and the effect of denitrification, J. Geophys, Res., 97, 7997-8013.